Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
cong quang » luong quang, thong quang, duong quang
hoc thieu » toc thieu, hoc hien
va tuong » va thuong, va thong, xa truong
cong van » cong vang, cong san, song van
toan cau » toan cao, toan ban, toan tap
va dung » van dung, va duong, vat dung

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 - canh tranh ((va dung) or (va tuong)) ((cong van) or (cong quang)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu quang - canh tranh ((va dung) OR (va tuong)) ((cong van) OR (cong quang)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu quang - canh tranh ((va dung) or (va tuong)) ((cong van) or (cong quang)) toan cau*.