Perhaps you should try some spelling variations:
trinh toan » tinh toan, thanh toan, trinh han
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
dung cong » dung trong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
dinh van » sinh vat
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: doi chieu xanh - canh ((dinh van) or (trinh toan)) dung cong manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - canh ((dinh van) OR (trinh toan)) dung cong manh toan cao.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh ((dinh van) or (trinh toan)) dung cong manh toan cao*.