Perhaps you should try some spelling variations:
cach nhanh » cac nganh, cac nhan, cac thanh
cach manh » cach mang, sach danh, cac banh
cua thong » cua thuong, cua khong, cua tong
thong dan » thong van, tuong dan, thong den
hoc dieu » hoc thieu, hoc hien
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc dieu hanh - ((cach manh) or (cach nhanh)) cua thong thong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc dieu hanh - ((cach manh) OR (cach nhanh)) cua thong thong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc dieu hanh - ((cach manh) or (cach nhanh)) cua thong thong dan toan cau*.