Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
hung tuong » hung vuong, hung cuong, hung luong
hieu lang » chieu sang, hieu quang, nhieu tang
hoi hieu » hoi phieu, hoi tieu, moi hieu
anh dung » anh dong, anh huong, sach dung
dung cua » dung luan, dung cho
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi hieu lang - anh dung cua ((hung tuong) OR (nhung tuong)) dan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoi hieu lang - anh dung cua ((hung tuong) OR (nhung tuong)) dan toan cao".
• Adding a wildcard symbol may retrieve word variants: hoi hieu lang - anh dung cua ((hung tuong) OR (nhung tuong)) dan toan cao*.