Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
nhanh dong » hanh dong, nhanh chong, anh dong
danh nhan » doanh nhan, thanh nhan, benh nhan
duc sinh » duc minh, duc hinh, duc kinh
dong hoc » dong co, dong luc
hoi danh » hop danh, hoi dan, hoc danh
bot hoc » post hoc, bot khoa, buoc hoc
nhan va » nhan tai, nhan dan, nhan tao
mo hoc » mon hoc, co 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: duc sinh hoc tap, nghien cua ((bot hoc) or (mo hoc)) nhanh dong hoc xa hoi danh nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: duc sinh hoc tap, nghien cua ((bot hoc) OR (mo hoc)) nhanh dong hoc xa hoi danh nhan va.
• Adding a wildcard symbol may retrieve word variants: duc sinh hoc tap, nghien cua ((bot hoc) or (mo hoc)) nhanh dong hoc xa hoi danh nhan va*.