Perhaps you should try some spelling variations:
quang nhanh » quang thanh, quang khanh, quang hanh
thieu sang » chieu sang, thieu khang, thieu quang
cong quang » luong quang, thong quang, duong quang
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
nhanh bac » nhanh ha, nhanh va
anh tang » anh bang, anh dang, anh nang
tang vat » tang van, dang vat, bang vat
vat dung » van dung, va dung, viet dung

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 - anh tang vat dung cong quang nhanh bac~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - anh tang vat dung cong quang nhanh bac*.