Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
cong sang » cong lang, cong vang, cong bang
ho chieu » theo chieu, hoc thieu, doi chieu
tang cua » hang cua, tang luan, thong cua
mang cua » manh cua, dung cua, ban cua
cong san » cong tac
tuan cau » toan cau, quan cau, tuan cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - hanh ((tang cua) OR (mang cua)) nhung ((cong san) or (cong sang)) tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh ((tang cua) OR (mang cua)) nhung ((cong san) OR (cong sang)) tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh ((tang cua) OR (mang cua)) nhung ((cong san) or (cong sang)) tuan cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((tang cua) OR (mang cua)) nhung ((cong san) or (cong sang)) tuan cau*.