Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
tranh cua » doanh cua, manh cua
trung cua » truong cua, trung tuan, trung cap
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac

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 ((tranh cua) or (trung cua)) thong cong san ((than cau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh ((tranh cua) OR (trung cua)) thong cong san ((than cau) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((tranh cua) or (trung cua)) thong cong san ((than cau) or (than cap))*.