Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
doi chieu » doc hieu, doi chi, ho chieu
canh manh » canh tranh, cach mang, van manh
lanh manh » lanh tranh, lan anh, van manh
cua thong » cua thuong, cua khong, cua tong
cong toan » cong tan, cong hoan, cong tuan
toan phan » thanh phan, toan ban, hoa phan
doi lieu » duoc lieu, du lieu, tai lieu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi lieu) OR (doi chieu)) tinh - ((canh manh) OR (lanh manh)) cua thong cong toan phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi lieu) or (doi chieu)) tinh - ((canh manh) OR (lanh manh)) cua thong cong toan phan tu~".
• Adding a wildcard symbol may retrieve word variants: ((doi lieu) or (doi chieu)) tinh - ((canh manh) OR (lanh manh)) cua thong cong toan phan tu*.