Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
thang cua » thong cua, tang cua, thang mua
ho chieu » theo chieu, hoc thieu, doi chieu
than cua » nhan cua, thai cua, ban cua
hang cua » mang cua, hang ca, huong cua
cong tan » cong tac, cong san, cong thanh
tran cau » tran chau, toan cau, ran cau

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 ((((thang cua) OR (than cua))) or (hang cua)) nhung cong tan tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh ((((thang cua) OR (than cua))) OR (hang cua)) nhung cong tan tran cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh ((((thang cua) OR (than cua))) or (hang cua)) nhung cong tan tran cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((((thang cua) OR (than cua))) or (hang cua)) nhung cong tan tran cau*.