Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu sach » chinh sach, chiet tach, chieu sang
lieu tinh » trieu tinh, diep tinh, bien tinh
tranh va » tranh van, trang va, trinh va
cong tan » cong tac, cong san, cong thanh
tan cac » tai cac, tap cac, ton cac
cac thu » cach thuc, cac thoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((lieu tinh) or (chieu sach)) - canh tranh va nhung cong tan cac thu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((lieu tinh) OR (chieu sach)) - canh tranh va nhung cong tan cac thu.
• Adding a wildcard symbol may retrieve word variants: ho ((lieu tinh) or (chieu sach)) - canh tranh va nhung cong tan cac thu*.