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