Perhaps you should try some spelling variations:
trinh quan » tinh quang, trinh luat
kieu tinh » lieu tinh, trieu tinh, diep tinh
doanh cua » doanh luan
dung cong » dung trong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap
ho kieu » ho lieu, so kieu, thi kieu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho kieu tinh - hanh ((((trinh quan) or (doanh cua))) or (trinh han)) dung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho kieu tinh - hanh ((((trinh quan) OR (doanh cua))) OR (trinh han)) dung cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: ho kieu tinh - hanh ((((trinh quan) or (doanh cua))) or (trinh han)) dung cong tac toan cau*.