Perhaps you should try some spelling variations:
thanh trung » thanh tung
cong thanh » dong thanh, cong trinh, truong thanh
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
chi xanh » chi anh, chi danh, chi hanh
cong ban » cong bang, cong san, cong dan
cong tan » cong tac, cong san, cong ty
phan dau » phan tu, hang dau
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 - thanh trung cua nhung ((cong ban) or (((cong tan) OR (cong thanh)))) phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - thanh trung cua nhung ((cong ban) OR (((cong tan) OR (cong thanh)))) phan dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - thanh trung cua nhung ((cong ban) or (((cong tan) OR (cong thanh)))) phan dau".
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - thanh trung cua nhung ((cong ban) or (((cong tan) OR (cong thanh)))) phan dau*.