Perhaps you should try some spelling variations:
thong quang » thong quan, thong qua, luong quang
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
lang thong » lang trong, lang thang, mang thong
quang dung » quang trung, ung dung, cuong dung
dung dung » ung dung, dung ung, dung dong
dung van » duong van, dung va, dang van
ban can » ban dan, ban hang, ban hanh

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) or (chieu xanh)) - lang thong quang dung dung van ban can~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu xanh)) - lang thong quang dung dung van ban can*.