Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua
chinh cau » chinh chau, chinh ca, chinh can
manh cua » doanh cua, ban cua
cong dan » cong tan, huong dan, cong dong
cong san » cong tac

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 ((tranh cua) or (manh cua)) nhung ((cong dan) or (cong san)) chinh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh ((tranh cua) OR (manh cua)) nhung ((cong dan) OR (cong san)) chinh cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh ((tranh cua) or (manh cua)) nhung ((cong dan) or (cong san)) chinh cau*.