Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
cuong dung » tuong duong, ung dung, thong dung
hoc chieu » hoc thieu, ho chieu, hoc hien
va duong » van duong, va tuong, va huong
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan tap
va dung » van dung, vat dung, va ung

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - canh tranh ((va dung) or (va duong)) cuong dung ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - canh tranh ((va dung) OR (va duong)) cuong dung ((toan tai) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - canh tranh ((va dung) or (va duong)) cuong dung ((toan tai) or (toan cao))*.