Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
cong thanh » dong thanh, cong trinh, truong thanh
hoc thieu » toc thieu, hoc hien
trung qua » trung quan, trong qua, trung cua
qua dung » quang dung, su dung, qua song
cong ban » cong bang, cong san, cong dan
cong tan » cong tac, cong san, cong ty
cung cu » chung cu, cung cua, cong cu

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 qua dung ((cong ban) or (((cong tan) OR (cong thanh)))) cung cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh trung qua dung ((cong ban) OR (((cong tan) OR (cong thanh)))) cung cu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh trung qua dung ((cong ban) or (((cong tan) OR (cong thanh)))) cung cu".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh trung qua dung ((cong ban) or (((cong tan) OR (cong thanh)))) cung cu*.