Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
su sach » so sach, vu sach
thuc va » thuc vat, thuc dan, thuc day
sach ty » sach y, sach tu, sach thu
cua tre » cua te, cuu tre, cua triet
va chat » van chat, va phat, cao chat
hieu va » lieu va, hieu qua
hang xa » hoang xa, hang va, hang ca
ty hang » ly hang, ty xang, thi hang
xuc va » duc va, luc va, xac va
tuc va » truc va, tuc xa, duc va
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty hang xa hoi. hieu va chat ((xuc va) or (((tuc va) OR (thuc va)))) thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty hang xa hoi. hieu va chat ((xuc va) OR (((tuc va) OR (thuc va)))) thanh vi cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty hang xa hoi. hieu va chat ((xuc va) or (((tuc va) OR (thuc va)))) thanh vi cua tre*".