Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
tong cong » trong cong, cong cong, dang cong
dung cong » dung trong
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
tranh va » tranh van, trang va, trinh va
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: ho chieu xanh - canh tranh va ((tong cong) or (dung cong)) manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - canh tranh va ((tong cong) OR (dung cong)) manh toan cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh tranh va ((tong cong) or (dung cong)) manh toan cao*.