Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
luan hang » luan nang, luan han, luan hung
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
toan cao » toan ban
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 - hanh tang luan hang ((cong san) or (cong ty)) ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh tang luan hang ((cong san) OR (cong ty)) ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh tang luan hang ((cong san) or (cong ty)) ((toan cao) or (toan tap))*.