Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
nhung huong » nhung tuong, nhung cong, nhung dung
thieu sang » chieu sang, thieu khang, thieu quang
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
doan phan » doanh phan, toan phan, dan 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: hoc thieu sang - canh tranh cua ((nhung huong) or (nhung phuong)) doan phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - canh tranh cua ((nhung huong) OR (nhung phuong)) doan phan lap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - canh tranh cua ((nhung huong) or (nhung phuong)) doan phan lap*.