Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chu manh » ho manh, chu van, thu minh
tang cua » mang cua, hang cua, tang luan
dung cua » dung luan, dung cho
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cao » toan cao, thai cao, than cap
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: theo ((chu manh) or (chu han)) - hanh ((tang cua) or (dung cua)) nhung cong tan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu manh) OR (chu han)) - hanh ((tang cua) OR (dung cua)) nhung cong tan than cao.
• Adding a wildcard symbol may retrieve word variants: theo ((chu manh) or (chu han)) - hanh ((tang cua) or (dung cua)) nhung cong tan than cao*.