Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
lieu tinh » diep tinh, bien tinh
canh tran » canh tranh, hanh trang, banh trang
van nhung » van nhuong, va nhung, van hung
tran van » luan van
cong san » cong tac
pham can » pham van, pham lan, pham san
pham ca » pham ma, pham va, pham ba

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((lieu tinh) or (trieu tinh)) - canh tran van nhung cong san ((pham ca) or (pham can))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((lieu tinh) OR (trieu tinh)) - canh tran van nhung cong san ((pham ca) OR (pham can)).
• Adding a wildcard symbol may retrieve word variants: ho ((lieu tinh) or (trieu tinh)) - canh tran van nhung cong san ((pham ca) or (pham can))*.