Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
cong ngang » cong nhan, cong quang, cong lang
thanh chau » thanh cha, thanh cham, thanh chu
hoc thieu » toc thieu, hoc hien
hanh tran » hanh trang, thanh tran, hanh tram
cong vang » cong lang, cong quang, cong san
tran van » luan van
van dung » van dong, xay dung, tin dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sach - hanh tran van dung ((cong vang) OR (cong ngang)) thanh chau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - hanh tran van dung ((cong vang) OR (cong ngang)) thanh chau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh tran van dung ((cong vang) OR (cong ngang)) thanh chau*.