Perhaps you should try some spelling variations:
thong quang » thong quan, thong qua, luong quang
thieu sang » chieu sang, thieu khang, thieu quang
quang phan » quang chan, quang phat, quang thanh
hoc thieu » toc thieu, hoc hien
lanh manh » lanh tranh, lan anh, van manh
phan cau » phan dau, phan cac, phan tu

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 - lanh manh ((cua cong) or (qua song)) thong quang phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - lanh manh ((cua cong) OR (qua song)) thong quang phan cau*.