Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
truc va » thuc va, thuc vat, trung va
va cham » va chat, va tham
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam
tuc va » thuc va, tuc xa, duc va
xang x » nang x
vi cua » vai cua, di cua
x hoi » xa hoi, o hoi, x ho

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 ty xang x hoi. hieu ((ve cam) or (va cham)) ((tuc va) or (truc va)) hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty xang x hoi. hieu ((ve cam) OR (va cham)) ((tuc va) OR (truc va)) hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty xang x hoi. hieu ((ve cam) or (va cham)) ((tuc va) or (truc va)) hanh vi cua tre*.