Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hanh trang » thanh trung, canh tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
trang cua » tranh cua, tang cua, trung cua
cua nhung » va nhung
cong tan » cong tac, cong san, cong thanh
toan cao » toan tap

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