Perhaps you should try some spelling variations:
quan nhung » qua nhung, cua nhung, luan chung
nhung cong » dung cong, thong cong, hang cong
hanh dung » thanh dung, anh dung, hanh dong
dung quan » dung quang, dung luan, luong quan
chu manh » ho manh, chu van, thu minh
cong tan » cong tac, cong san, cong thanh
than cao » toan cao, thai cao, than cap
khan cap » khan ap, than cap, khoan cam
chu han » chu 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 manh) OR (chu han)) - hanh dung quan nhung cong tan ((than cao) or (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho ((chu manh) OR (chu han)) - hanh dung quan nhung cong tan ((than cao) OR (khan cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho ((chu manh) OR (chu han)) - hanh dung quan nhung cong tan ((than cao) or (khan cap))".
• Adding a wildcard symbol may retrieve word variants: cho ((chu manh) OR (chu han)) - hanh dung quan nhung cong tan ((than cao) or (khan cap))*.