Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
nghien huu » nghien cuu, nguyen huu, nhiem huu
trung hoc » trung quoc
khong hoc » khung hoc, thong hoc, khong thuoc
sach doi » sach hoi, sach moi, sach dao
dung hoc » dong hoc, dung thuoc, dung khoa
te sach » toc sach
doi dap » hoi dap, doi dau, do dap
hoi gia » ho gia, hoc gia, hoa gia
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: te sach doi dap, nghien huu ((dung hoc) or (trung hoc)) nganh khong hoc xa hoi gia thanh san~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach doi dap, nghien huu ((dung hoc) OR (trung hoc)) nganh khong hoc xa hoi gia thanh san.
• Adding a wildcard symbol may retrieve word variants: te sach doi dap, nghien huu ((dung hoc) or (trung hoc)) nganh khong hoc xa hoi gia thanh san*.