Perhaps you should try some spelling variations:
nhanh chung » nhanh chuong, nhanh chong, nhanh hung
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
hoc nhanh » hoc nganh, hoc phan
chung hoc » trung hoc, dung hoc, hung hoa
sach hoc » cach hoc, sach hoi, mach hoc
thu dong » thuy dong, tu dong, thu cong
dong hoc » dong co, dong luc
te sach » toc sach
hoi bai » hoi tai, khoi bay
hoc bai » hoc dai, hoc giai
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: te sach hoc tap, nghien thu dong hoc nhanh chung hoc xa ((hoi bai) OR (hoc bai)) thanh san~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach hoc tap, nghien thu dong hoc nhanh chung hoc xa ((hoi bai) OR (hoc bai)) thanh san".
• Adding a wildcard symbol may retrieve word variants: te sach hoc tap, nghien thu dong hoc nhanh chung hoc xa ((hoi bai) OR (hoc bai)) thanh san*.