Perhaps you should try some spelling variations:
nghien huy » nghien cuu, nguyen huy, nghiep quy
cach thuc » anh thuc, cac thu
hoc cach » hoc cac, hoc sach, cuoc cach
thuc tap » tuc tap, thuc thai, thuc vat
hoc toan » hoc tan, hop toan, hoa toan
khoa hoc » hoa hoc
nhan van » nhan dan, nhan va, phan van
phan dau » phan tu, hang dau
huy tin » huy tinh, quy tin, thuy tinh
tin hoc » sinh 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: hoc cach thuc tap, nghien huy tin hoc toan khoa hoc xa hoi va ((nhan van) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc cach thuc tap, nghien huy tin hoc toan khoa hoc xa hoi va ((nhan van) OR (phan dau)).
• Adding a wildcard symbol may retrieve word variants: hoc cach thuc tap, nghien huy tin hoc toan khoa hoc xa hoi va ((nhan van) or (phan dau))*.