Perhaps you should try some spelling variations:
nhanh dong » hanh dong, nhanh chong, anh dong
nghien va » nghiem va, nhien va, nghiep vua
nghiep va » nghiep vu
thanh hoc » thanh hoa, than hoc, thanh ho
hoc nhanh » hoc nganh, hoc phan
sach hoc » cach hoc, sach hoi, mach hoc
dong luc » nang luc
te sach » toc sach
vo pham » vi pham, v pham, toi pham
luc va » duc va, tuc va, loc va
va hoa » van hoa, va hoc, ma hoa
hoa vo » hoa co

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 va) OR (nghiep va)) thanh hoc nhanh dong luc va hoa vo pham van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach hoc tap, ((nghien va) OR (nghiep va)) thanh hoc nhanh dong luc va hoa vo pham van".
• Adding a wildcard symbol may retrieve word variants: te sach hoc tap, ((nghien va) OR (nghiep va)) thanh hoc nhanh dong luc va hoa vo pham van*.