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

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