Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chung cong » nhung cong, chong cong, phung cong
cong ngang » cong nhan, cong quang, cong lang
ho chieu » theo chieu, hoc thieu, doi chieu
van quan » van ban
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac
van que » van quy, van due, van hue

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