Perhaps you should try some spelling variations:
sach duy » sach dung, sach duoc, sach dao
van hanh » van thanh, ban hanh, van anh
kham xuc » kham xung, kham cuoc, cam xuc
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
tu sach » thu sach, su sach, te sach
van lai » van loi, van hai, van lam
hieu su » hieu sau, tieu su, hieu so
su kham » su pham, vu kham, so kham
xuc va » duc va, tuc va, luc va
vi cua » vai cua, di cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach duy ((van lai) or (van hanh)) hoi. hieu su kham xuc va thanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach duy ((van lai) OR (van hanh)) hoi. hieu su kham xuc va thanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: tu sach duy ((van lai) or (van hanh)) hoi. hieu su kham xuc va thanh vi cua te*.