Perhaps you should try some spelling variations:
nhanh khong » nhanh chong, nganh khong, nhan khong
nghien cua » nghien cuu, nghiep cua, nghiep vua
hoc nhanh » hoc nganh, hoc phan
dich hoc » sinh hoc, hinh hoc, tinh hoc
hoc giai » hoc giao, hoc dai, so giai
nhan tai » hang tai, van tai, toan tai
tu dich » te dich, chu dich, hut dich
hoc bai » hoc dai
cua co » cua bo, cua cong
hoi ca » hoi cua, hoi cac, hoi cau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu dich hoc tap, nghien cua co hoc nhanh khong ((hoc bai) OR (hoc giai)) hoi ca nhan tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu dich hoc tap, nghien cua co hoc nhanh khong ((hoc bai) OR (hoc giai)) hoi ca nhan tai*".