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 » tung dan, xuong dan, nguong dan
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu

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 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 cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh ((tuong dan) OR (truong dai)) nhung huong dan phan cau*.