Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thi phuong » thi truong
phuong dan » phuong danh, phuong doan, huong dan
quang thi » quang thai, quang tri, quang chi
ho chieu » theo chieu, hoc thieu, doi chieu
anh tang » anh dang, anh nang, anh sang
anh bang » anh hoang, anh quang, tinh bang
than cau » toan cau, phan cau, than cap
toan tap » toan ban

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 - ((anh tang) or (anh bang)) quang thi phuong dan ((than cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((anh tang) OR (anh bang)) quang thi phuong dan ((than cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((anh tang) or (anh bang)) quang thi phuong dan ((than cau) or (toan tap))*.