Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhieu tang » chieu sang, hieu lang, nhiet nang
cua luong » cu luong, cua huong, cua truong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu tinh) or (nhieu tang)) - thanh trung ((cua luong) or (chat luong)) cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu tinh) OR (nhieu tang)) - thanh trung ((cua luong) OR (chat luong)) cong tan toan cao.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tinh) or (nhieu tang)) - thanh trung ((cua luong) or (chat luong)) cong tan toan cao*.