Perhaps you should try some spelling variations:
thinh sach » chinh sach, tinh sach, sinh sach
hanh manh » hanh mang, lanh manh, hoang manh
hang cong » dang cong, hang nong, bang cong
manh cua » doanh cua, ban cua
cua hang » cua dang, cua nhung, cua cong
cong dan » cong san, cong tan, huong dan
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, 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: (tien or vien) thinh sach - hanh manh cua hang cong dan ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (tien OR vien) thinh sach - hanh manh cua hang cong dan ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: (tien or vien) thinh sach - hanh manh cua hang cong dan ((toan cau) or (toan cao))*.