Perhaps you should try some spelling variations:
thanh trung » thanh tung
thong cong » trong cong, tong cong, thong thong
trung cap » truong cao, trung tam
cap thong » cap tong, chap thuong, phap thong
theo chu » theo chieu, cho chu, chao chu
doc hieu » toc thieu, hoc thieu, hoc hien
tan than » tan thanh, ban than, tam than

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

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