Perhaps you should try some spelling variations:
nhan thong » nhan trong, nha thong, nhan khong
thong hoc » thuong hoc, tuong hoc, thong hoa
tinh luc » tinh duc, dinh luc, tinh khuc
luc nhan » luc nhat, cu nhan, tue nhan
nhan dan » phan dau, gian dan, nhan tai
tu sach » thu sach, su sach, te sach
vu sach » vu bach, su sach, vu khach
doi tap » doi tac, doi dap, doi tai
ma hoi » mai hoi, xa hoi, ma hoa
hoi ca » hoi cua, hoi cac, 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: ((tu sach) or (vu sach)) doi tap, nghien cuu tinh luc nhan thong hoc ma hoi ca nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (vu sach)) doi tap, nghien cuu tinh luc nhan thong hoc ma hoi ca nhan dan.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (vu sach)) doi tap, nghien cuu tinh luc nhan thong hoc ma hoi ca nhan dan*.