Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu xanh » chieu sang, chieu tinh, hieu manh
thanh tung » thanh cong
cong toan » cong hoan, cong tuan, cong doan
thanh cac » hanh cac, thanh bac, thanh ca
tung cap » trung cap, cung cap, thong cap
cap hang » cap hoang, cap bang, cap han
cong tan » cong tac, cong san, cong thanh

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 (chieu xanh)) - thanh tung cap hang ((cong toan) OR (cong tan)) thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu xanh)) - thanh tung cap hang ((cong toan) OR (cong tan)) thanh cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (chieu xanh)) - thanh tung cap hang ((cong toan) OR (cong tan)) thanh cac".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu xanh)) - thanh tung cap hang ((cong toan) OR (cong tan)) thanh cac*.