Perhaps you should try some spelling variations:
phuong quang » phung quang, thuong quang, phuong hoang
nhung phuong » dung phuong, nhu phuong, truong phuong
chieu sang » chieu sach, chieu xanh, hieu lang
quang than » quang thanh, quang thang, quang tuan
trung cap » truong cao, trung tam
ho chieu » theo chieu, hoc thieu, doi chieu
tung cao » nung cao, truong cao, quang cao
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - thanh ((tung cao) or (trung cap)) nhung phuong quang than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh ((tung cao) OR (trung cap)) nhung phuong quang than cau*.