Perhaps you should try some spelling variations:
trung tranh » trung thanh, trung tran, trong tranh
hanh trung » thanh trung, hanh trang, manh trung
tranh dang » tranh hang, tran dang, tranh quang
tieu xanh » tieu danh, chieu xanh, dieu hanh
dang cong » dung cong
cong dan » cong san, cong tan, huong dan
than cao » toan cao, thai cao, than sao
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - hanh trung tranh dang cong dan ((than cao) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh trung tranh dang cong dan ((than cao) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh trung tranh dang cong dan ((than cao) or (than cap))*.