Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
quan nhung » qua nhung, luan chung, quang hung
doi chieu » doc hieu, doi chi, ho chieu
cua nhung » va nhung
anh dung » anh dong, anh huong, sach dung
than cap » khan cap, thanh lap, thanh cac
toan cau » toan cao, toan ban, toan tap

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 - anh dung ((quan nhung) or (cua nhung)) huong dan ((than cap) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - anh dung ((quan nhung) OR (cua nhung)) huong dan ((than cap) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - anh dung ((quan nhung) or (cua nhung)) huong dan ((than cap) or (toan cau))*.