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
cach noi » cach thoi, hanh noi, anh noi
huu toan » huu tuan, cuu toan, huy toan
toan hoc » toan khoa, van hoc, hoa hoc
cong hoc » dong hoc, cong hoa, cong coc
phan dau » hang dau
noi tap » toi tap, ngoai tap, noi tiep
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, nghien huu toan hoc nganh cong hoc xa hoi cu ((phan dau) OR (phan tu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuc cach noi tap, nghien huu toan hoc nganh cong hoc xa hoi cu ((phan dau) OR (phan tu))".
• Adding a wildcard symbol may retrieve word variants: thuc cach noi tap, nghien huu toan hoc nganh cong hoc xa hoi cu ((phan dau) OR (phan tu))*.