Perhaps you should try some spelling variations:
hanh tang » hanh trang, anh tang, hanh mang
dung cong » dung trong
theo chu » theo chieu, cho chu, chao chu
chu manh » ho manh, chu han, chu van
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu manh - ((hanh tang) or (canh tranh)) cua dung cong tan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu manh - ((hanh tang) OR (canh tranh)) cua dung cong tan than cau*.