Perhaps you should try some spelling variations:
thanh tung » thanh cong
chi sang » chi lang, chieu sang, chi chang
cuu cong » cua cong, thu cong, cac cong
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
than cap » khan cap, thanh lap, thanh cac
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 sang - ((thanh trung) or (thanh tung)) cuu cong ((cong dan) or (cong tan)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sang - ((thanh trung) OR (thanh tung)) cuu cong ((cong dan) OR (cong tan)) than cap.
• Adding a wildcard symbol may retrieve word variants: doi chi sang - ((thanh trung) or (thanh tung)) cuu cong ((cong dan) or (cong tan)) than cap*.