Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
phuong dan » phuong danh, phuong doan, huong dan
hieu lang » chieu sang, hieu quang, nhieu tang
dan toan » van toan, dan than, manh toan
toan tap » toan ban
ho hieu » ho chieu, hoi hieu, nho hieu
tung va » trung va, tuong va, vung va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - thanh ((tung va) or (dung va)) nhung phuong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - thanh ((tung va) OR (dung va)) nhung phuong dan toan tap.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - thanh ((tung va) or (dung va)) nhung phuong dan toan tap*.