Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
cach thoi » cac thoi, cach thuc, cach noi
hoc thanh » hoc nhanh, hoan thanh, hoc phan
thanh hoa » thanh pho
hoc doanh » hoa doanh, hoc danh, hoc dan
thoi tap » toi tap, hoc tap, thoi dai
thu dong » thuy dong, tu dong, thu cong
dong hoc » dong co, dong luc
nhan dan » phan dau, gian dan, nhan tai
tu cach » tu cac

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 tap, nghien thu dong hoc thanh hoa ((hoc xa) or (hoc ma)) hoc doanh nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach thoi tap, nghien thu dong hoc thanh hoa ((hoc xa) OR (hoc ma)) hoc doanh nhan dan.
• Adding a wildcard symbol may retrieve word variants: tu cach thoi tap, nghien thu dong hoc thanh hoa ((hoc xa) or (hoc ma)) hoc doanh nhan dan*.