Perhaps you should try some spelling variations:
vat thanh » dat thanh, gat thanh, tat thanh
thanh vi » hanh vi, thanh va, thanh ve
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, ang xa
va nam » van nam, va nay
vi cua » vai cua, di cua
cua tu » cua tuc, cua su, cua cu

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 xa hoi. lieu ((va nam) OR (ha nam)) thuc vat thanh vi cua tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty xang xa hoi. lieu ((va nam) OR (ha nam)) thuc vat thanh vi cua tu".
• Adding a wildcard symbol may retrieve word variants: tu sach ty xang xa hoi. lieu ((va nam) OR (ha nam)) thuc vat thanh vi cua tu*.