Perhaps you should try some spelling variations:
"smart skills service." » "smart skill services.", "smart sols service.", "smart wells service.", "soft skills service.", "what skills service."
"smart social surveys." » "smart topical surveys.", "small social surveys.", "art social surveys.", "sport social surveys."
"smart skills series." » "smart skills surveys.", "smart skills studies.", "smart skills survey.", "soft skills series.", "what skills series."

Try widening your search to All Fields.

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

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