Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
dung duong » dung dong, dong duong, dung dung
doi chieu » doc hieu, doi chi, ho chieu
duong anh » duong manh, duong xanh, duong vanh
trung va » truong va, trang va, trung tam
trung ha » trung hoc, trung tam, trung cap
tuan ban » tuan bang, toan ban, luan ban

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 ((trung va) or (trung ha)) dung duong anh tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - thanh ((trung va) OR (trung ha)) dung duong anh tuan ban*.