Perhaps you should try some spelling variations:
tested using » test using, tests using, testing using
api tested » api test, magic tested
bank loans » bank loan
zhang yan » zhang fan, zhang jian, wang yan
liang api » liang li, liang wei, liang zhi
bank bond » bank bonds
lang yan » wang yan, wang yang, yang yang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((lang yan) OR (zhang yan)) liang api tested using ((bank loans) or (bank bond)) sar ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((lang yan) OR (zhang yan)) liang api tested using ((bank loans) OR (bank bond)) sar ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((lang yan) OR (zhang yan)) liang api tested using ((bank loans) or (bank bond)) sar ;*".