Perhaps you should try some spelling variations:
thanh tranh » thanh thanh, thanh tran, thanh trang
pham thuong » phan thuong, pham hong
tranh pham » thanh pham, thanh phan, trinh phan
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban, toan tap
cho chu » cho thue
chu van » cuu van, chu han

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 - thanh tranh pham thuong ((huong dan) or (cong tan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho chu van - thanh tranh pham thuong ((huong dan) OR (cong tan)) toan cao.
• Adding a wildcard symbol may retrieve word variants: cho chu van - thanh tranh pham thuong ((huong dan) or (cong tan)) toan cao*.