Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
chieu sang » chieu sach, chieu xanh, hieu lang
hoc chieu » hoc thieu, ho chieu, 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 chieu sang - thanh ((tuong dan) or (truong dai)) nhung huong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sang - thanh ((tuong dan) OR (truong dai)) nhung huong dan phan cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sang - thanh ((tuong dan) or (truong dai)) nhung huong dan phan cau*.