Perhaps you should try some spelling variations:
thanh tung » thanh cong
hieu lang » chieu sang, hieu quang, nhieu tang
cap trong » ca trong, cad trong, ap trong
cong danh » cuong danh, cong dan, cong thanh
danh toan » manh toan, anh toan, dan toan
hoc hieu » hoc thieu, hoc hien, doc hieu
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu lang - thanh tung ((cap trong) or (cay trong)) cong danh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu lang - thanh tung ((cap trong) OR (cay trong)) cong danh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc hieu lang - thanh tung ((cap trong) or (cay trong)) cong danh toan ban*.