Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
van cong » van phong, phan cong, van duong
toan cau » 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 - canh tranh ((van cong) or (van dong)) cong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - canh tranh ((van cong) OR (van dong)) cong manh toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - canh tranh ((van cong) or (van dong)) cong manh toan cau*.