Perhaps you should try some spelling variations:
thanh trung » thanh tung
dong thanh » truong thanh
trung cap » truong cao, trung tam
cap nhung » cam nhung, vap nhung, dap nhung
chi xanh » chi anh, chi danh, chi hanh
cong tan » cong tac, cong san, cong thanh
toan ban » van ban
toan cao » toan tap
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 cap nhung ((dong thanh) or (cong tan)) ((toan ban) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - thanh trung cap nhung ((dong thanh) OR (cong tan)) ((toan ban) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - thanh trung cap nhung ((dong thanh) or (cong tan)) ((toan ban) or (toan cao))*.