Perhaps you should try some spelling variations:
chap thuong » chan thuong, phan thuong, pham thuong
thanh tran » thanh trang, thanh toan, thanh tra
tran chap » tranh chap, tran chau, trang cham
cong dan » cong san, cong tan, huong dan
cong tac » cong ty
toan cau » toan cao, toan ban, toan tap
chu van » cuu van

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho ((chu van) OR (chu han)) - thanh tran chap thuong ((cong dan) or (cong tac)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho ((chu van) OR (chu han)) - thanh tran chap thuong ((cong dan) OR (cong tac)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho ((chu van) OR (chu han)) - thanh tran chap thuong ((cong dan) or (cong tac)) toan cau".
• Adding a wildcard symbol may retrieve word variants: cho ((chu van) OR (chu han)) - thanh tran chap thuong ((cong dan) or (cong tac)) toan cau*.