Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
thanh cac » hanh cac, thanh bac, thanh ca
ho chieu » theo chieu, hoc thieu, doi chieu
trung va » truong va, trang va, trung ha
cong san » cong tac
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, than cua

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