Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
dung tuong » dung thuong, dung truong, dung trong
hoc chieu » hoc thieu, ho chieu, hoc hien
tranh va » tranh van, trang va, trinh va
toan tap » toan ban
toan cao » toan ban
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 chieu xanh - canh tranh va dung tuong duong ((toan tap) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - canh tranh va dung tuong duong ((toan tap) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - canh tranh va dung tuong duong ((toan tap) or (toan cao))*.