Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
hanh doi » thanh doi, hanh noi, hang doi
doi cua » dai cua, hoi cua
truc va » thuc va, thuc vat, trung va
te sach » toc sach
hieu ve » hieu va
sach ly » sach y, sach lo, sach ty
nang xa » nang x, lang xa, nang ma
ly nang » ky nang, ly hang, ly vang
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, tuc xa, duc va

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 ly nang xa hoi. ((hieu ve) OR (hieu van)) chat ((tuc va) or (truc va)) hanh doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ly nang xa hoi. ((hieu ve) OR (hieu van)) chat ((tuc va) OR (truc va)) hanh doi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ly nang xa hoi. ((hieu ve) OR (hieu van)) chat ((tuc va) or (truc va)) hanh doi cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ly nang xa hoi. ((hieu ve) OR (hieu van)) chat ((tuc va) or (truc va)) hanh doi cua tre*.