Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
phuong van » phung van, phong van, phuong lan
doi chieu » doc hieu, doi chi, mot chieu
tran doan » trang doan, tan doan, toan doanh
tran hoan » tran hoang, tuan hoan, tran han
thanh cac » hanh cac, thanh bac, thanh ca
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: doi chieu sach - thanh cong ((tran doan) or (tran hoan)) phuong van ((than cap) OR (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh cong ((tran doan) OR (tran hoan)) phuong van ((than cap) OR (thanh cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - thanh cong ((tran doan) or (tran hoan)) phuong van ((than cap) OR (thanh cac))".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh cong ((tran doan) or (tran hoan)) phuong van ((than cap) OR (thanh cac))*.