Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
truong cua » truong ca, truong quan, truong cao
hieu lang » chieu sang, hieu quang, nhieu tang
cua khong » hua khong, cua phuong, cua thuong
cong danh » cuong danh, cong dan, cong thanh
doi hieu » doi chieu, doc hieu, doi hien
cong anh » dong anh, hong anh, cong thanh
tuan cau » toan cau, quan cau, thuan cam
tuan cu » tuan tu, quan cua, tuan thu

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: doi hieu lang - hanh truong cua khong ((cong anh) OR (cong danh)) ((tuan cau) OR (tuan cu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi hieu lang - hanh truong cua khong ((cong anh) OR (cong danh)) ((tuan cau) or (tuan cu))~".
• Adding a wildcard symbol may retrieve word variants: doi hieu lang - hanh truong cua khong ((cong anh) OR (cong danh)) ((tuan cau) or (tuan cu))*.