Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
manh tung » manh hung, thanh tung
tung tuan » trung tuan, hung tuan, quang tuan
nhung don » nhung van, nhung bo
manh toan » thanh toan, anh tuan, tinh toan
toan ban » van ban
co lieu » cot lieu, co hieu, so lieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: co lieu tinh - manh tung tuan ((nhung don) or (thong thong)) manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co lieu tinh - manh tung tuan ((nhung don) OR (thong thong)) manh toan ban*.