Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tac chang » tac chong, cac chung, tac vang
chi xanh » chi anh, chi danh, chi hanh
tranh va » tranh van, trang va, trinh va
cong tac » cong ty
chang tu » chung tu, chang xu, hang tu
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - canh tranh va nhung cong tac chang tu~.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - canh tranh va nhung cong tac chang tu*.