Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
mach hoc » cach hoc, dich hoc, anh hoc
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
nong hoc » dong hoc, nang hoc, duong hoc
dan phan » doan phan, dan chan, van phan
phan van » pham van, thanh van, luan van
te mach » ke mach, te sach, tim mach
hoi dan » hoa dan, hoc dan, hoi dap

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

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