Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
quang hung » quang dung, quang phuong, quang trung
doi chieu » doc hieu, doi chi, ho chieu
cua nhung » va nhung
anh dung » anh dong, anh huong, sach dung
than cau » phan cau, than cap, thanh chau
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 ((quang hung) or (cua nhung)) huong dan ((than cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - anh dung ((quang hung) OR (cua nhung)) huong dan ((than cau) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - anh dung ((quang hung) or (cua nhung)) huong dan ((than cau) or (toan cau))*.