Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
thu mach » thu sach, thuat mach, thu hoach
mach hoc » cach hoc, dich hoc, anh hoc
cong hoc » dong hoc, cong hoa, cong coc
van phan » van phong, van thanh, luan phan
phan dan » phan dang, phan dau, nhan dan
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
cong co » dong co, cong cu, cong so
hoi van » hoi va, hoi dan, hai van

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu mach hoc tap, nghien cuu mot hoc nganh ((cong hoc) or (cong co)) xa hoi van phan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu mach hoc tap, nghien cuu mot hoc nganh ((cong hoc) OR (cong co)) xa hoi van phan dan.
• Adding a wildcard symbol may retrieve word variants: thu mach hoc tap, nghien cuu mot hoc nganh ((cong hoc) or (cong co)) xa hoi van phan dan*.