Perhaps you should try some spelling variations:
sach ty » sach y, sach tu, sach thu
hanh de » hanh ve, hanh kem
va hanh » van hanh, va thanh, va danh
te sach » toc sach
hieu va » lieu va
ty nang » ky nang, ty xang, ty hang
cuu tre » cua tre, cau tren, cau treo
soc va » hoc va, loc va, doc va
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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 nang x hoi. ((hieu va) OR (hieu qua)) cham soc va hanh de ((cua te) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang x hoi. ((hieu va) OR (hieu qua)) cham soc va hanh de ((cua te) OR (cuu tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang x hoi. ((hieu va) OR (hieu qua)) cham soc va hanh de ((cua te) or (cuu tre))*".