Perhaps you should try some spelling variations:
thuoc nganh » thuong nganh, hoc nganh, chuc nganh
khong hoc » khung hoc, khong thuoc, khong chuc
thong hoc » thuong hoc, tuong hoc, thong hoa
cuu dung » cu dung, cuu ung, huu dung
dap nhan » dap nha, dac nhan, dam nhan
nhan van » nhan dan, nhan va, phan van
anh hoc » sinh hoc, benh hoc, hinh hoc
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 dung thuoc nganh ((khong hoc) OR (thong hoc)) xa hoi dap nhan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ke anh hoc tap, nghien cuu dung thuoc nganh ((khong hoc) OR (thong hoc)) xa hoi dap nhan van".
• Adding a wildcard symbol may retrieve word variants: ke anh hoc tap, nghien cuu dung thuoc nganh ((khong hoc) OR (thong hoc)) xa hoi dap nhan van*.