Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chua xang » chua nang, chuc nang, chu bang
chu xanh » chu manh, chieu xanh, chuc danh
mang cua » manh cua, dung cua, cong cua
cong tac » cong ty
tac hang » tac vang, bac thang, tac chong
ban cua » ban quan
hang ca » hang va, nang cao, hang tai

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 xanh) or (chua xang)) - hanh ((mang cua) OR (ban cua)) nhung cong tac hang ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho ((chu xanh) OR (chua xang)) - hanh ((mang cua) OR (ban cua)) nhung cong tac hang ca.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho ((chu xanh) or (chua xang)) - hanh ((mang cua) OR (ban cua)) nhung cong tac hang ca".
• Adding a wildcard symbol may retrieve word variants: cho ((chu xanh) or (chua xang)) - hanh ((mang cua) OR (ban cua)) nhung cong tac hang ca*.