Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
nhung duong » nhung dung, nhung huong, nhung tuong
thieu sang » chieu sang, thieu khang, thieu quang
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
trinh han » trinh quan
van thanh » ban thanh, van tuan
thanh lap » thanh san, phan lap, thanh hai

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 - hanh trinh han ((nhung duong) or (nhung phuong)) van thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - hanh trinh han ((nhung duong) OR (nhung phuong)) van thanh lap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - hanh trinh han ((nhung duong) or (nhung phuong)) van thanh lap*.