Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
canh trinh » canh tranh, hanh trinh, canh tinh
hoang manh » hoang minh, hoang anh, hoang xanh
trinh vat » trinh van, trinh luat, sinh vat
cong danh » cuong danh, cong dan, cong thanh
ho chieu » theo chieu, hoc thieu, doi chieu
vat nang » van nang, va nang, vat mang
toan ban » van ban

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - canh trinh vat nang ((hoang manh) OR (cong danh)) ((toan tap) OR (toan ban))~.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - canh trinh vat nang ((hoang manh) or (cong danh)) ((toan tap) or (toan ban))*.