Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghe cua
nghiep vua » nghiep va, nghiep vu
nhanh dong » hanh dong, nhanh chong, anh dong
hoc nhanh » hoc nganh, hoc phan
duc sinh » duc minh, duc hinh, duc kinh
dong hoc » dong co, dong luc
van nhan » van phan, van thanh, danh nhan
mot hoc » mon hoc, mo hoc, mot goc
hoi van » hoi va, hoi dan, hai van
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 hoc tap, ((nghien cua) OR (nghiep vua)) mot hoc nhanh dong hoc xa hoi van nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "duc sinh hoc tap, ((nghien cua) OR (nghiep vua)) mot hoc nhanh dong hoc xa hoi van nhan va*".