Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
dang cong » dung cong
ho chieu » hoc thieu, doi chieu, mot chieu
thong va » thong cua, truong va, thong qua
thong tu » phong tuc, thong tin, thong ke
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan ban

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) or (theo chieu)) tinh - hanh ((thong va) or (thong tu)) dang cong tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) tinh - hanh ((thong va) OR (thong tu)) dang cong tac toan tap.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) tinh - hanh ((thong va) or (thong tu)) dang cong tac toan tap*.