Perhaps you should try some spelling variations:
thien hieu » thien nhien, thien chien, thien hue
dung quang » dang quang, dung quan, luong quang
hieu lang » chieu sang, hieu quang, nhieu tang
hung qua » dung qua, hung quang, nhung quy
cong sat » cong suat, cong san, cong hat
sat phan » sat nhan, vat phan, xuat phan
phan lap » phan dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: thien hieu lang - thanh ((hung qua) or (dung quang)) trong cong sat phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thien hieu lang - thanh ((hung qua) OR (dung quang)) trong cong sat phan lap.
• Adding a wildcard symbol may retrieve word variants: thien hieu lang - thanh ((hung qua) or (dung quang)) trong cong sat phan lap*.