Perhaps you should try some spelling variations:
thieu sach » thien hach, hieu cach, theo sach
chieu sach » chinh sach, chiet tach, chieu sang
cuong cong » cong cong, luong cong, duong cong
chinh chau » chinh cau, chinh cho, chinh phu
san chinh » lan chinh, van chinh, ban chinh
luong va » dung va
cong san » cong tac
tung va » trung va, tuong va, dung va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thieu sach) OR (chieu sach)) - thanh ((tung va) or (luong va)) cuong cong san chinh chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu sach) OR (chieu sach)) - thanh ((tung va) OR (luong va)) cuong cong san chinh chau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thieu sach) OR (chieu sach)) - thanh ((tung va) or (luong va)) cuong cong san chinh chau".
• Adding a wildcard symbol may retrieve word variants: toc ((thieu sach) OR (chieu sach)) - thanh ((tung va) or (luong va)) cuong cong san chinh chau*.