Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
theo chu » theo chieu, cho chu, chao chu
chu tach » chu tich, chu thich, chu thanh
dang van » hoang van, hang va
trang va » tran van, hang va
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
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: theo chu tach - anh ((dang van) or (trang va)) thong cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu tach - anh ((dang van) OR (trang va)) thong cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: theo chu tach - anh ((dang van) or (trang va)) thong cong tac toan cau*.