Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hanh trang » thanh trung, canh tranh, hanh trinh
hoc thieu » toc thieu, hoc hien
trang cua » tranh cua, tang cua, trung cua
thanh lap » thanh san, phan lap, thanh hai
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
than sao » than so, than vao, thanh san

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 trang cua cong ((cong tan) or (cong san)) ((than sao) or (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh trang cua cong ((cong tan) OR (cong san)) ((than sao) OR (thanh lap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh trang cua cong ((cong tan) or (cong san)) ((than sao) or (thanh lap))*.