Perhaps you should try some spelling variations:
thong quang » thong quan, thong qua, luong quang
thieu sang » chieu sang, thieu khang, thieu quang
trong quan » thong quan, tong quan, luong quan
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
van thang » van thanh, van khang, van hang
thang cap » thong cap, than cap, trung cap
cong van » cong vang, cong san, song van

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 - thanh ((trong quan) OR (thong quang)) nhung cong van thang cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sang - thanh ((trong quan) OR (thong quang)) nhung cong van thang cap".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh ((trong quan) OR (thong quang)) nhung cong van thang cap*.