Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
trung cua » truong cua, trung tuan, trung cap
tranh cua » doanh cua, manh cua
ho chieu » theo chieu, hoc thieu, doi chieu
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: ho chieu sach - hanh ((trung cua) or (tranh cua)) thong cong dan ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh ((trung cua) OR (tranh cua)) thong cong dan ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((trung cua) or (tranh cua)) thong cong dan ((toan cau) or (toan cao))*.