Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
thuoc nganh » thuong nganh, hoc nganh, chuc nganh
dong thuoc » dung thuoc, dang thuoc, don thuoc
khong hoc » khung hoc, thong hoc, khong thuoc
cuu dong » cuu cong, cuu tong, cuu long
dap nhan » dap nha, dac nhan, dam nhan
nhan van » nhan dan, nhan va, phan van
anh hoc » benh hoc, hinh hoc, anh khoa
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 (sinh hoc)) tap, nghien cuu dong thuoc nganh khong hoc xa hoi dap nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ke ((anh hoc) OR (sinh hoc)) tap, nghien cuu dong thuoc nganh khong hoc xa hoi dap nhan van.
• Adding a wildcard symbol may retrieve word variants: ke ((anh hoc) or (sinh hoc)) tap, nghien cuu dong thuoc nganh khong hoc xa hoi dap nhan van*.