Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
duoc tren » nuoc tren, thuoc tren, dung tren
dinh thi » dinh tri
sach ty » sach y, sach tu, sach thu
ty lang » tay lang, ty xang, ty hang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
lam xuc » cam xuc, lam duoc
ca dinh » cac dinh, va dinh, ba dinh
duc tre » duc tien
va lam » van lam, va lap
xuc ca » xuc cam, xuc cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach ty lang xa hoi. hieu va lam xuc ca dinh thi ((duc tre) or (duoc tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach ty lang xa hoi. hieu va lam xuc ca dinh thi ((duc tre) OR (duoc tren)).
• Adding a wildcard symbol may retrieve word variants: thuoc sach ty lang xa hoi. hieu va lam xuc ca dinh thi ((duc tre) or (duoc tren))*.