Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thanh dung » thanh duong, thanh tung, thanh hung
doi chieu » doc hieu, doi chi, mot chieu
cac trong » cac truong, tac trong, ca trong
thong den » thong dien, thong dan, tuong den
den nang » dun nang, dung nang, da nang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sang - thanh dung ((cac trong) or (cay trong)) thong den nang cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - thanh dung ((cac trong) OR (cay trong)) thong den nang cao*.