Perhaps you should try some spelling variations:
sach duy » sach duoc, sach dao, sach dat
thanh vi » hanh vi, thanh va, thanh ve
sang lai » sang tai, sang lap, mang lai
kham xuc » kham xung, kham cuoc, chat xuc
hieu su » hieu sau, tieu su, hieu so
lai hoi » dai hoi, lai hoa, lai roi
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)) sang lai hoi. hieu su ((kham xuc) or (cam xuc)) gia thanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach duy) OR (sach dung)) sang lai hoi. hieu su ((kham xuc) OR (cam xuc)) gia thanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach duy) OR (sach dung)) sang lai hoi. hieu su ((kham xuc) or (cam xuc)) gia thanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: tu ((sach duy) OR (sach dung)) sang lai hoi. hieu su ((kham xuc) or (cam xuc)) gia thanh vi cua te*.