Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung thanh » truong thanh
thanh thong » thanh thuong, thanh hong, thanh thang
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
cong dan » huong dan, cong dong, cong tac
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
chan cau » phan cau, can cau, chinh 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 xanh - thanh trung thanh thong ((((cong dan) or (cong tan))) or (cong san)) chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh trung thanh thong ((((cong dan) OR (cong tan))) OR (cong san)) chan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh trung thanh thong ((((cong dan) or (cong tan))) or (cong san)) chan cau*.