Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
chieu khong » chien chong, chu khong, chieu duong
cua phuong » cuu phuong, cuc phuong, luan phuong
hieu lang » chieu sang, hieu quang, nhieu tang
cua khong » hua khong, cua thuong, cua cong
quan quan » quan quang, qua quan, quan luan
quan cu » quan cua, quang cu, quan cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu lang) or (chieu khong)) - thanh thuong ((cua khong) OR (cua phuong)) thong quan quan cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu lang) OR (chieu khong)) - thanh thuong ((cua khong) OR (cua phuong)) thong quan quan cu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu lang) or (chieu khong)) - thanh thuong ((cua khong) OR (cua phuong)) thong quan quan cu*".