Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
nganh khoa » nganh hoa, doanh khoa, anh khoa
doan quang » tran quang, van quang, dang quang
quang san » quang ban, quang uan, quang van
chu dich » chu tich, chu dinh, chu thich
dich hoc » sinh hoc, hinh hoc, tinh hoc
hoi doan » hoi dan, hoi doai, hoa doanh
mo hoc » mon hoc, co 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: chu dich hoc tap, nghien cuu mo hoc ((nganh khoa) or (nganh khong)) hoc xa hoi doan quang san~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chu dich hoc tap, nghien cuu mo hoc ((nganh khoa) OR (nganh khong)) hoc xa hoi doan quang san.
• Adding a wildcard symbol may retrieve word variants: chu dich hoc tap, nghien cuu mo hoc ((nganh khoa) or (nganh khong)) hoc xa hoi doan quang san*.