Perhaps you should try some spelling variations:
thuat hinh » thuat kinh, luat hinh, thuat lanh
nhan dann » nhan dang, phan dang, nhac dan
hinh hoc » sinh hoc, benh hoc
hoc toan » hoc tan, hop toan, hoa toan
toan hoa » toan khoa, toan hoat, toan hoc
nhan dan » phan dau, gian dan, nhan tai
cuu tin » cuu tinh, cuu tim, cuu tong
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: thuat hinh hoc tap, nghien cuu tin hoc toan hoa hoc xa hoi va ((nhan dann) or (nhan dan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat hinh hoc tap, nghien cuu tin hoc toan hoa hoc xa hoi va ((nhan dann) OR (nhan dan)).
• Adding a wildcard symbol may retrieve word variants: thuat hinh hoc tap, nghien cuu tin hoc toan hoa hoc xa hoi va ((nhan dann) or (nhan dan))*.