Perhaps you should try some spelling variations:
thanh trung » thanh tung
hoc thieu » toc thieu, hoc hien
trung nam » trung tam, trong nam, trung cap
nam thang » nam thanh, nam trong, nam trung
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
tran cao » toan cao, tran chau, trang cho
cao cho » cap cho, cao chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (cao cho)) xanh - thanh trung nam thang ((cong tan) OR (cong san)) tran cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (cao cho)) xanh - thanh trung nam thang ((cong tan) OR (cong san)) tran cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (cao cho)) xanh - thanh trung nam thang ((cong tan) OR (cong san)) tran cao".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (cao cho)) xanh - thanh trung nam thang ((cong tan) OR (cong san)) tran cao*.