Perhaps you should try some spelling variations:
chiet tach » chieu sach
quang hung » quang dung, quang phuong, quang trung
chau tinh » cuu tinh, ha tinh, cua tinh
hanh tran » hanh trang, thanh tran, hanh tram
hung cong » nhung cong, hung cuong, phung cong
cong van » cong vang, cong san, song van
van van » tan van, san van, van vat

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chiet tach) or (chau tinh)) - hanh tran quang hung cong van van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chiet tach) OR (chau tinh)) - hanh tran quang hung cong van van ban*.