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, cong tan
hoc thieu » toc thieu, hoc hien
thanh lap » thanh san, phan lap, thanh hai
trung da » trung dai, trung dam, truong da
da luong » dai luong, do luong, du luong
cong dan » cong san, cong tan, huong dan

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 da luong ((cong dan) or (cong thanh)) thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh trung da luong ((cong dan) OR (cong thanh)) thanh lap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh trung da luong ((cong dan) or (cong thanh)) thanh lap*.