Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
thieu sang » chieu sang, thieu khang, hieu lang
trong cham » trang cham, trong cac, trong nha
hang cong » dang cong, hang nong, bang cong
trong ca » trong cac, trong nha
cong dan » cong san, cong tan, huong dan
gian cam » gian cham, gian cac, gia cam

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) OR (thieu quang)) - thanh ((trong cham) or (trong ca)) hang cong dan gian cam~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sang) OR (thieu quang)) - thanh ((trong cham) OR (trong ca)) hang cong dan gian cam.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu sang) OR (thieu quang)) - thanh ((trong cham) or (trong ca)) hang cong dan gian cam".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sang) OR (thieu quang)) - thanh ((trong cham) or (trong ca)) hang cong dan gian cam*.