Perhaps you should try some spelling variations:
"international aid methodological services" » "international aid meteorological services", "international aid meteorological service", "international aid methodological choices", "international a methodological services", "international _ methodological services", "international 4 methodological services", "international bank methodological services", "international banks methodological services"
"international prices economic security" » "international best economic security", "international banks economic security", "international crisis economic security", "international brief economic security", "international africa's economic security"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("international aid methodological services") or ("international prices economic security"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("international aid methodological services") OR ("international prices economic security"))*.
• Removing quotes may allow a broader search: (( international aid methodological services ) or ( international prices economic security ))*.