Perhaps you should try some spelling variations:
nganh thong » nganh khong, nganh cong, nhanh chong
thuoc nganh » thuong nganh, hoc nganh, chuc nganh
long thuoc » luong thuoc, dong thuoc, khong thuoc
thong hoa » thong khoa, thong ha, thong hoc
cuu long » cuu cong, cuu tong, cuu nang
nhan dan » phan dau, gian dan, nhan tai
anh hoc » sinh hoc, benh hoc, hinh hoc
hoi dan » hoa dan, hoc dan, hoi dap
nhan va » nhan tai, nhan tao, phan van
ke anh » le anh, ky anh, de anh

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 tap, nghien cuu long thuoc nganh thong hoa xa hoi dan ((nhan va) or (nhan dan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ke anh hoc tap, nghien cuu long thuoc nganh thong hoa xa hoi dan ((nhan va) OR (nhan dan)).
• Adding a wildcard symbol may retrieve word variants: ke anh hoc tap, nghien cuu long thuoc nganh thong hoa xa hoi dan ((nhan va) or (nhan dan))*.