Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
hoc nhanh » hoc nganh, hoc phan
hoi doanh » hoa doanh, voi doanh, doi doanh
duc sinh » duc minh, duc hinh, duc kinh
dong hoc » dong co
dong luc » nang luc
mot hoc » mon hoc, mo hoc, mot goc
nhan va » nhan tai, nhan dan, nhan tao

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 mot hoc nhanh ((dong hoc) or (dong luc)) xa hoi doanh nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: duc sinh hoc tap, nghien cua mot hoc nhanh ((dong hoc) OR (dong luc)) xa hoi doanh nhan va.
• Adding a wildcard symbol may retrieve word variants: duc sinh hoc tap, nghien cua mot hoc nhanh ((dong hoc) or (dong luc)) xa hoi doanh nhan va*.