Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
thieu sang » chieu sang, thieu khang, thieu quang
hoc thieu » toc thieu, hoc hien
tuong dan » huong dan, tung dan, xuong dan
doan phan » doanh phan, toan phan, doanh nhan
dan phan » dan chan, van phan, dam phan

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 - thanh ((tuong dan) or (truong dai)) nhung huong ((dan phan) OR (doan phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - thanh ((tuong dan) OR (truong dai)) nhung huong ((dan phan) OR (doan phan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sang - thanh ((tuong dan) or (truong dai)) nhung huong ((dan phan) OR (doan phan)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh ((tuong dan) or (truong dai)) nhung huong ((dan phan) OR (doan phan)) cau*.