Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
nhanh dong » hanh dong, nhanh chong, anh dong
hoc nhanh » hoc nganh, hoc phan
duc sinh » duc minh, duc kinh, duc binh
duc hinh » duc thinh, duc minh, duc hanh
dong hoc » dong co, dong luc
dan nhan » danh nhan, dan chan, van nhan
mot hoc » mon hoc, mo hoc, mot goc
hoi dan » hoa dan, hoc dan, hoi dap
nhan va » nhan tai, nhan dan, nhan tao
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) or (duc hinh)) hoc tap, nghien cua mot hoc nhanh dong hoc xa hoi dan nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((duc sinh) OR (duc hinh)) hoc tap, nghien cua mot hoc nhanh dong hoc xa hoi dan nhan va.
• Adding a wildcard symbol may retrieve word variants: ((duc sinh) or (duc hinh)) hoc tap, nghien cua mot hoc nhanh dong hoc xa hoi dan nhan va*.