Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
thanh lap » thanh san, phan lap, thanh hai
ho chieu » theo chieu, hoc thieu, mot chieu
tung tam » vung tam, dung tam, tuong tac
cong van » cong vang, cong san, song van
than cap » khan cap, thanh cac, 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 ((tung tam) or (trung tam)) thong cong van ((than cap) OR (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((tung tam) OR (trung tam)) thong cong van ((than cap) OR (thanh lap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((tung tam) or (trung tam)) thong cong van ((than cap) OR (thanh lap))*".