Perhaps you should try some spelling variations:
thong cong » tong cong, thong thong, phong chong
lieu tinh » trieu tinh, diep tinh, bien tinh
canh manh » lanh manh, canh tranh, cach mang
toan phan » thanh phan, toan ban, hoa phan
doi lieu » duoc lieu, doi chieu, du lieu
manh hua » manh cua, manh ha, manh hung

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 tinh - canh manh hua ((thong cong) OR (trong cong)) toan phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi lieu tinh - canh manh hua ((thong cong) OR (trong cong)) toan phan tu*".