Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
trong quan » thong quan, tong quan, thong quang
hoc thieu » toc thieu, hoc hien
anh trong » anh thuong, dinh trong, lang trong
quan dung » quang dung, quan duong, qua dung
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang dau

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 trong quan dung cong dan ((phan cau) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - anh trong quan dung cong dan ((phan cau) OR (phan dau))*.