Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
truong cao » truong dai
hoc chieu » hoc thieu, ho chieu, hoc hien
huong cua » dung cua
dung cong » dung trong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
toan cao » toan ban, toan tap

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 - hanh ((huong cua) or (truong cao)) dung cong manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh ((huong cua) OR (truong cao)) dung cong manh toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh ((huong cua) or (truong cao)) dung cong manh toan cao*.