Perhaps you should try some spelling variations:
keong yeon » jeong yeon, seung yeon
kin keong » king kong, min jeong
test kaw » test a, test kit, test ke
test awt » test auf, test a
wan yan » wang yan, nan yan, wai yan
yang ai » yang di, yang yi, yang li
yang xi » yang di, yang yi, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan yan ((yang ai) or (yang xi)) ((test kaw) OR (test awt)) kin keong yeon ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan yan ((yang ai) OR (yang xi)) ((test kaw) OR (test awt)) kin keong yeon ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan yan ((yang ai) or (yang xi)) ((test kaw) OR (test awt)) kin keong yeon ;*".