Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu tinh » trieu tinh, chieu tinh, thien tinh
dong thanh » truong thanh
hoc thieu » toc thieu, hoc hien
trung xay » trong xay, trung gay, trung tam
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
ran cau » van cau, ban cau, can cau

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 tinh - thanh trung xay dung ((((cong tan) or (cong tac))) or (dong thanh)) ran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - thanh trung xay dung ((((cong tan) OR (cong tac))) OR (dong thanh)) ran cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - thanh trung xay dung ((((cong tan) or (cong tac))) or (dong thanh)) ran cau*.