Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
thanh tung » thanh cong
hieu lang » chieu sang, hieu quang, nhieu tang
cua nhung » va nhung
tung cua » trung cua, tuong cua, dung cua
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chinh sach) or (hieu lang)) - thanh tung cua nhung huong dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chinh sach) OR (hieu lang)) - thanh tung cua nhung huong dan than cap.
• Adding a wildcard symbol may retrieve word variants: theo ((chinh sach) or (hieu lang)) - thanh tung cua nhung huong dan than cap*.