Perhaps you should try some spelling variations:
cong nganh » cong ngang, trong nganh, duong nganh
nhung cong » dung cong, thong cong, hang cong
nganh toan » nganh thanh, thanh toan, manh toan
cua nhung » va nhung
cac tinh » dac tinh, cuu tinh, ha tinh
mang cua » manh cua, dung cua, ban cua
toan ban » van ban
cach » sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((cac tinh) or (may tinh)) - cach mang cua nhung cong nganh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((cac tinh) OR (may tinh)) - cach mang cua nhung cong nganh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((cac tinh) or (may tinh)) - cach mang cua nhung cong nganh toan ban*.