Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoi thanh » hoc thanh, hai thanh, hoa thanh
thuc tai » thuc thai, thuoc tai, thuc tap
khoa hoc » hoa hoc
mon hoc » toan hoc, dong hoc
san dan » sanh dan, shan dan, ban dan
mo hoc » co hoc
hoc xa » hoc ma
tu am » tu nam, tu lam, tu cam

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu am thuc tai, nghien cuu ((mo hoc) OR (mon hoc)) nganh khoa hoc xa hoi thanh san dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu am thuc tai, nghien cuu ((mo hoc) OR (mon hoc)) nganh khoa hoc xa hoi thanh san dan".
• Adding a wildcard symbol may retrieve word variants: tu am thuc tai, nghien cuu ((mo hoc) OR (mon hoc)) nganh khoa hoc xa hoi thanh san dan*.