Perhaps you should try some spelling variations:
khong thong » thong thong, khong trong, thong thuong
thong thanh » phong thanh, thong than, trong thanh
chieu sang » chieu sach, chieu xanh, hieu lang
doi chieu » doc hieu, doi chi, ho chieu
cua khong » hua khong, cua phuong, cua thuong
can ban » van ban, toan ban
ban cua » ban quan
hai cau » hai chau, hai hau, hoi cau
hai chu » hai chau, hoi chu, hai chi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sang - can ban cua khong thong thanh ((hai cau) or (hai chu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - can ban cua khong thong thanh ((hai cau) OR (hai chu)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - can ban cua khong thong thanh ((hai cau) or (hai chu))*.