Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung huong » nhung phuong, nhung tuong, nhung cong
nhieu tang » chieu sang, nhiet nang
hieu quang » thieu quang, hieu quan, hieu qua
hieu lang » chieu sang, hieu van, biet lang
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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) or (nhieu tang))) or (hieu quang)) - thanh trung cua nhung huong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi ((((hieu lang) OR (nhieu tang))) OR (hieu quang)) - thanh trung cua nhung huong dan than cao.
• Adding a wildcard symbol may retrieve word variants: hoi ((((hieu lang) or (nhieu tang))) or (hieu quang)) - thanh trung cua nhung huong dan than cao*.