Perhaps you should try some spelling variations:
nghien huu » nghien cuu, nguyen huu, nhiem huu
nganh cong » nhanh chong, thanh cong
thuc cach » thuoc sach, truoc cach, thuc hanh
hoc nganh » hoc nhanh
cong hoc » dong hoc, cong hoa, cong coc
toan hoc » toan khoa, van hoc, hoa hoc
huu toan » huu tuan, cuu toan, huy toan
phan dau » phan tu, hang dau
toi tap » toi gap, toan tap, tong tap
noi tap » ngoai tap, noi tiep, noi thai
cu phan » cuu phan, cau phan, cua phan
hoc xa » hoc ma
hoi cu » hoi chu, hoi cua, hoi cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuc cach ((noi tap) OR (toi tap)), nghien huu toan hoc nganh cong hoc xa hoi cu phan dau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuc cach ((noi tap) OR (toi tap)), nghien huu toan hoc nganh cong hoc xa hoi cu phan dau".
• Adding a wildcard symbol may retrieve word variants: thuc cach ((noi tap) OR (toi tap)), nghien huu toan hoc nganh cong hoc xa hoi cu phan dau*.