Perhaps you should try some spelling variations:
hieu van » thien van, lieu va
ban hanh » ban hang
hanh vai » hanh vi, hanh va, hanh tai
te sach » toc sach
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
xuc ban » duc ban, cuc ban, quoc ban
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ty lang xa hoi. ((((hieu van) OR (hieu ve))) or (hieu va)) cam xuc ban hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty lang xa hoi. ((((hieu van) OR (hieu ve))) OR (hieu va)) cam xuc ban hanh vai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty lang xa hoi. ((((hieu van) OR (hieu ve))) or (hieu va)) cam xuc ban hanh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ty lang xa hoi. ((((hieu van) OR (hieu ve))) or (hieu va)) cam xuc ban hanh vai cua tre*.