Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hanh trung » thanh trung, hanh trang, manh trung
hoc thieu » toc thieu, hoc hien
cua nhung » va nhung
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan tap » toan 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 sach - hanh trung ((cua nhung) or (cua cong)) ((cong dan) or (cong tan)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh trung ((cua nhung) OR (cua cong)) ((cong dan) OR (cong tan)) toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh trung ((cua nhung) or (cua cong)) ((cong dan) or (cong tan)) toan tap*.