Perhaps you should try some spelling variations:
thanh dinh » thanh binh, thanh tinh, thanh vinh
thuoc sach » hoc sach, nuoc sach, thuat sach
ban thanh » ban hanh, ban hang
vu cham » va cham, vu kham, tu cham
nang xa » nang x, lang xa, nang ma
dinh cu » dinh cuu, dinh chuc, dinh chau
duc ban » duc tan, duc van, dua ban
cu tre » cu tren, cua tre, cuu tre
y nang » ky nang, ly nang, v nang
ve cac » va cac, vien cac
ve cam » ve cham, va cam, ve cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach y nang xa hoi. hieu ((((ve cam) OR (ve cac))) or (vu cham)) duc ban thanh dinh cu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach y nang xa hoi. hieu ((((ve cam) OR (ve cac))) OR (vu cham)) duc ban thanh dinh cu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach y nang xa hoi. hieu ((((ve cam) OR (ve cac))) or (vu cham)) duc ban thanh dinh cu tre".
• Adding a wildcard symbol may retrieve word variants: thuoc sach y nang xa hoi. hieu ((((ve cam) OR (ve cac))) or (vu cham)) duc ban thanh dinh cu tre*.