Perhaps you should try some spelling variations:
cach thoi » cac thoi, cach thuc, cach noi
hoc nganh » hoc nhanh
nganh hoa » thanh hoa, khanh hoa, danh hoa
thoi tap » toi tap, hoc tap, thoi dai
nhan dan » phan dau, gian dan
nhan tai » hang tai, van tai, toan tai
tu cach » tu cac
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: tu cach thoi tap, nghien cuu mo hoc nganh hoa hoc xa hoi va ((nhan dan) OR (nhan tai))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cach thoi tap, nghien cuu mo hoc nganh hoa hoc xa hoi va ((nhan dan) OR (nhan tai))".
• Adding a wildcard symbol may retrieve word variants: tu cach thoi tap, nghien cuu mo hoc nganh hoa hoc xa hoi va ((nhan dan) OR (nhan tai))*.