Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
tranh cua » doanh cua, manh cua
tang luan » dung luan
trung cap » truong cao, trung tam
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
san van » tan van, luan van, tran van

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 ((((tranh cua) or (tang luan))) or (trung cap)) trong cong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh ((((tranh cua) OR (tang luan))) OR (trung cap)) trong cong san van ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((((tranh cua) or (tang luan))) or (trung cap)) trong cong san van ban*.