Perhaps you should try some spelling variations:
nghien huu » nghien cuu, nguyen huu, nhiem huu
nganh cong » nhanh chong, thanh cong
hoc nganh » hoc nhanh
van thanh » ban thanh, van tuan
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, luan phan, van ban
huu mot » cuu mot, huy mot, hieu mot
mot hoc » mon hoc, mo hoc, mot goc
hoc xa » hoc ma

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