Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
cong ngang » cong nhan, cong quang, cong lang
ngang than » nganh thanh, sang than, nang thanh
ho chieu » theo chieu, hoc thieu, doi chieu
than cau » toan cau, phan cau, than cap
van qua » van quy, van cua, van que

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