Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
trung tuan » trung thanh, trung tam, tran tuan
hoc thieu » toc thieu, hoc hien
trung cap » truong cao, trung tam
han tuong » han thuong, nhan tuong, han tong
tuong dan » huong dan, tung dan, xuong dan
thanh lap » thanh san, phan lap, thanh hai
than cau » toan cau, phan cau, than cap

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 ((trung tuan) or (trung cap)) han tuong dan ((than cau) or (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - thanh ((trung tuan) OR (trung cap)) han tuong dan ((than cau) OR (thanh lap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh ((trung tuan) or (trung cap)) han tuong dan ((than cau) or (thanh lap))*.