Perhaps you should try some spelling variations:
cong thuat » trong thuat, vuong thuat, cong thuc
theo chieu » theo tieu, ho chieu, thi chieu
thuat phan » thuat chan, thuat toan, thuat san
thong cua » thong quan, thong tu, huong cua
bang cong » dang cong, bang song, hang cong
theo chu » cho chu, chao chu, theo yeu
dung cua » dung luan, dung cho
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) OR (theo chu)) tach - hanh ((dung cua) or (thong cua)) bang cong thuat phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo chu)) tach - hanh ((dung cua) OR (thong cua)) bang cong thuat phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (theo chu)) tach - hanh ((dung cua) or (thong cua)) bang cong thuat phan cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (theo chu)) tach - hanh ((dung cua) or (thong cua)) bang cong thuat phan cau*.