Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
thanh trung » thanh tung
phuong hinh » phuong binh, phuong linh, phuong dinh
nhieu tang » chieu sang, nhiet nang
hieu lang » chieu sang, hieu quang, hieu van
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
hinh toan » tinh toan, thanh toan, trinh toan
toan tap » toan ban

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

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