Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
cho thong » cho thuong, cho trong, cho tuong
pho thong » he thong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
anh dung » anh dong, anh huong, sach dung
toan ban » van ban

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 - anh dung ((cho thong) or (pho thong)) cong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - anh dung ((cho thong) OR (pho thong)) cong manh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - anh dung ((cho thong) or (pho thong)) cong manh toan ban*.