Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
hoc nhanh » hoc phan
duc sinh » duc minh, duc hinh, duc kinh
dong luc » nang luc
van nhan » van phan, van thanh, danh nhan
hoi van » hoi va, hoi dan, hai van
nhan va » nhan tai, nhan dan, nhan tao
luc xa » tuc xa, buc xa, luc va

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