Perhaps you should try some spelling variations:
sach duy » sach duoc, sach dao, sach dat
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
kham xuc » kham xung, kham cuoc, cam xuc
su kham » su pham, vu kham, so kham
hieu su » hieu sau, tieu su, hieu so
van hai » van ha, van chat, van hanh
van lai » van loi, van lam, van ai
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) OR (sach dung)) ((van lai) or (van hai)) 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) OR (sach dung)) ((van lai) OR (van hai)) hoi. hieu su kham xuc va thanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach duy) OR (sach dung)) ((van lai) or (van hai)) hoi. hieu su kham xuc va thanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: tu ((sach duy) OR (sach dung)) ((van lai) or (van hai)) hoi. hieu su kham xuc va thanh vi cua te*.