Perhaps you should try some spelling variations:
doanh khoa » toan khoa
cach thoi » cac thoi, cach thuc, cach noi
hoa doanh » toan doanh, hoa dan
anh thuc » am thuc, dan thuc, anh tu
khoa hoc » hoa hoc
nhan dan » phan dau, gian dan, nhan tai
cuu mot » cua mot, cuu mo, huu mot
mot hoa » mon hoa, mot khoi, mot loai
va nhan » van nhan, ca nhan, va phan
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: tu ((cach thoi) or (anh thuc)) tap, nghien cuu mot hoa doanh khoa hoc xa hoi va nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((cach thoi) OR (anh thuc)) tap, nghien cuu mot hoa doanh khoa hoc xa hoi va nhan dan.
• Adding a wildcard symbol may retrieve word variants: tu ((cach thoi) or (anh thuc)) tap, nghien cuu mot hoa doanh khoa hoc xa hoi va nhan dan*.