Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
nhieu tang » chieu sang, hieu lang, nhiet nang
trung cap » truong cao, trung tam
cap nong » cap tong, cap hoang, cuu nong
cong tac » cong ty
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) or (nhieu tang)) - thanh trung cap nong ((cong san) OR (cong tac)) phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (nhieu tang)) - thanh trung cap nong ((cong san) OR (cong tac)) phan dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (nhieu tang)) - thanh trung cap nong ((cong san) OR (cong tac)) phan dau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (nhieu tang)) - thanh trung cap nong ((cong san) OR (cong tac)) phan dau*.