Perhaps you should try some spelling variations:
thuoc nganh » thuong nganh, hoc nganh, chuc nganh
nganh thong » nganh khong, nganh cong, nhanh chong
long thuoc » luong thuoc, dong thuoc, khong thuoc
thong hoc » thuong hoc, tuong hoc, thong hoa
dich hoc » sinh hoc, hinh hoc, tinh hoc
cuu long » cuu cong, cuu tong, cuu nang
dan nhan » danh nhan, dan chan, van nhan
nhan dan » phan dau, gian dan, nhan tai
anh hoc » sinh hoc, benh hoc, hinh hoc
hoi dan » hoa dan, hoc dan, hoi dap
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: ke ((anh hoc) or (dich hoc)) tap, nghien cuu long thuoc nganh thong hoc xa hoi dan nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ke ((anh hoc) OR (dich hoc)) tap, nghien cuu long thuoc nganh thong hoc xa hoi dan nhan dan.
• Adding a wildcard symbol may retrieve word variants: ke ((anh hoc) or (dich hoc)) tap, nghien cuu long thuoc nganh thong hoc xa hoi dan nhan dan*.