Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hoc chieu » hoc thieu, ho chieu, hoc hien
truong ca » truong cao, truong va, trong ca
dung cua » dung luan, dung cho
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
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: hoc chieu sach - anh ((dung cua) or (truong ca)) thong ((cong tan) or (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - anh ((dung cua) OR (truong ca)) thong ((cong tan) OR (cong san)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - anh ((dung cua) or (truong ca)) thong ((cong tan) or (cong san)) toan cau*.