Perhaps you should try some spelling variations:
quat chung » luat chung, xuat chung, thuat chung
chieu sach » chinh sach, chiet tach, chieu sang
cong ngang » cong nhan, cong quang, cong lang
ngang than » nganh thanh, sang than, nang thanh
qua chung » qua chuong, cua chung, qua nhung
ho chieu » theo chieu, hoc thieu, doi chieu
hanh van » thanh van, khanh van, hanh va
than cau » toan cau, phan cau, than cap

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 chung) OR (quat chung)) cong ngang than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh van ((qua chung) OR (quat chung)) cong ngang than cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh van ((qua chung) OR (quat chung)) cong ngang than cau*.