Perhaps you should try some spelling variations:
thong cong » trong cong, thong thong, phong chong
doi chieu » doc hieu, doi chi, ho chieu
canh manh » lanh manh, canh tranh, cach mang
tong cong » trong cong, cong cong, dung cong
toan phan » thanh phan, toan ban, hoa phan
doi lieu » duoc lieu, du lieu, tai lieu
manh cua » doanh cua, ban cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi lieu) or (doi chieu)) tinh - canh manh cua ((thong cong) OR (tong cong)) toan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi lieu) OR (doi chieu)) tinh - canh manh cua ((thong cong) OR (tong 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 cua ((thong cong) OR (tong cong)) toan phan tu".
• Adding a wildcard symbol may retrieve word variants: ((doi lieu) or (doi chieu)) tinh - canh manh cua ((thong cong) OR (tong cong)) toan phan tu*.