Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
va thanh » gia thanh, ban thanh, va tinh
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
cua tre » cuu tre, cua triet, dua tren
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty ((lang xa) OR (nang x)) hoi. hieu va cam xuc va thanh dai ((cua tre) OR (cua te))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty ((lang xa) or (nang x)) hoi. hieu va cam xuc va thanh dai ((cua tre) OR (cua te))~".
• Adding a wildcard symbol may retrieve word variants: su sach ty ((lang xa) or (nang x)) hoi. hieu va cam xuc va thanh dai ((cua tre) OR (cua te))*.