Perhaps you should try some spelling variations:
nhanh khang » nhanh thang, nhanh quang, nhanh thanh
khang thuoc » khong thuoc, dang thuoc, hanh thuoc
hoc nhanh » hoc nganh, hoc phan
sach hoc » cach hoc, sach hoi, mach hoc
cuu tong » cuu cong, cuu tinh, huu tung
tong hoc » tuong hoc, thong hoc, trong hoc
phap vat » phap luat, phap phat, phap viet
te sach » toc sach
va hoi » xa hoi, va hoa
va hoc » van hoc

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 cuu tong hoc nhanh khang thuoc ((va hoi) OR (va hoc)) ban phap vat~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach hoc tap, nghien cuu tong hoc nhanh khang thuoc ((va hoi) OR (va hoc)) ban phap vat".
• Adding a wildcard symbol may retrieve word variants: te sach hoc tap, nghien cuu tong hoc nhanh khang thuoc ((va hoi) OR (va hoc)) ban phap vat*.