Perhaps you should try some spelling variations:
thanh kem » hanh kem, thanh ke, thanh ket
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
ly nang » ly hang, ly vang, ly quang
van huu » van huy, van hau, san huu
huu duc » cuu duoc, huu dung
kem cua » em cua, keo cua, diem cua
cua tre » cua te, cuu tre, cua triet
y nang » v nang, may nang, day nang

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