Perhaps you should try some spelling variations:
thuoc nganh » thuong nganh, hoc nganh, chuc nganh
nganh khong » nganh cong, nhanh chong, nganh nong
tong thuoc » dong thuoc, long thuoc, khong thuoc
khong hoc » khung hoc, thong hoc, khong thuoc
hinh hoc » sinh hoc, tin hoc, benh hoc
cuu tong » cuu cong, cuu tinh, huu tung
dap phan » dam phan, dap phap, cap phan
phan van » pham van, thanh van, luan van
anh hoc » sinh hoc, benh 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 (hinh hoc)) tap, nghien cuu tong thuoc nganh khong hoc xa hoi dap phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ke ((anh hoc) OR (hinh hoc)) tap, nghien cuu tong thuoc nganh khong hoc xa hoi dap phan van.
• Adding a wildcard symbol may retrieve word variants: ke ((anh hoc) or (hinh hoc)) tap, nghien cuu tong thuoc nganh khong hoc xa hoi dap phan van*.