Perhaps you should try some spelling variations:
thuong cong » thuong con, thuong dong, truong cong
theo chieu » theo tieu, ho chieu, theo chu
chieu tang » chieu sang, nhieu tang, chien thang
nhanh mang » nhanh lang, hanh mang, nhanh quang
thong cong » trong cong, tong cong, thong thong
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap
mang va » mang vua, hang va, bang va

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 tang - nhanh mang va ((thuong cong) OR (thong cong)) tac toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu tang - nhanh mang va ((thuong cong) OR (thong cong)) tac toan cau".
• Adding a wildcard symbol may retrieve word variants: theo chieu tang - nhanh mang va ((thuong cong) OR (thong cong)) tac toan cau*.