Perhaps you should try some spelling variations:
"integrating quantitative methods" » "integrating qualitative methods"
"integration quantitative methods" » "integrating qualitative methods", "integration initiatives methods", "evaluation quantitative methods"
"generations quantitative methods" » "evaluation quantitative methods", "generasi qualitative methods"
"integration qualitative methods" » "integrating qualitative methods"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("integration qualitative methods") or ("integrating quantitative methods"))) or ((("integration quantitative methods") OR ("generations quantitative methods"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("integration qualitative methods") OR ("integrating quantitative methods"))) OR ((("integration quantitative methods") OR ("generations quantitative methods")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"integration qualitative methods\") or (\"integrating quantitative methods\"))) or (((\"integration quantitative methods\") OR (\"generations quantitative methods\"))))".
• Removing quotes may allow a broader search: (((( integration qualitative methods ) or ( integrating quantitative methods ))) or ((( integration quantitative methods ) OR ( generations quantitative methods )))).
• Adding a wildcard symbol may retrieve word variants: (((("integration qualitative methods") or ("integrating quantitative methods"))) or ((("integration quantitative methods") OR ("generations quantitative methods"))))*.