Perhaps you should try some spelling variations:
nganh khoa » nganh khong, doanh khoa, anh khoa
nganh hoa » thanh hoa, khanh hoa, danh hoa
doan tuan » doan quan, doanh luan, doan quang
chu dich » chu tich, chu dinh, chu thich
dich hoc » sinh hoc, hinh hoc, tinh hoc
hoi doan » hoi dan, hoi doai, hoa doanh
tuan san » luan san, tan san, thanh san
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong 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 mon hoc ((nganh khoa) OR (nganh hoa)) hoc xa hoi doan tuan san~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chu dich hoc tap, nghien cuu mon hoc ((nganh khoa) OR (nganh hoa)) hoc xa hoi doan tuan san".
• Adding a wildcard symbol may retrieve word variants: chu dich hoc tap, nghien cuu mon hoc ((nganh khoa) OR (nganh hoa)) hoc xa hoi doan tuan san*.