Perhaps you should try some spelling variations:
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
doi chieu » doc hieu, doi chi, mot chieu
cua thong » cua thuong, cua khong, cua tong
ho chieu » theo chieu, hoc thieu, mot chieu
tung cua » trung cua, tuong cua, dung cua
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van ban

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) OR (ho chieu))) or (hoc hien)) tinh - thanh tung cua thong cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((doi chieu) OR (ho chieu))) OR (hoc hien)) tinh - thanh tung cua thong cong tac toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((doi chieu) OR (ho chieu))) or (hoc hien)) tinh - thanh tung cua thong cong tac toan ban*".