Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
thanh trung » thanh tung
chong cong » thong cong, cuong cong, phong cong
hoc thieu » toc thieu, hoc hien
trung cap » truong cao, trung tam
cong cong » cong dong, trong cong, dung cong
sang than » cang thang, dang thanh, sang tao
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 quang - thanh trung cap ((chong cong) or (cong cong)) sang than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu quang - thanh trung cap ((chong cong) OR (cong cong)) sang than cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu quang - thanh trung cap ((chong cong) or (cong cong)) sang than cau*.