Perhaps you should try some spelling variations:
thanh cha » thanh ha, thanh nha, thanh phan
cau phuc » cau truc, chau phu, huu phuc
phuc gia » phu gia, chuc giao, thuc giai
su sach » so sach, vu sach
ly nang » ky nang, ly hang, ly vang
cha cua » chat cua, cha chua, ca cua
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, may nang, day nang
v nang » va nang, vu nang, van nang
va cau » van cau, va cac, va dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((((y nang) OR (ly nang))) or (v nang)) xa hoi. lieu va cau phuc gia thanh cha cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((((y nang) OR (ly nang))) OR (v nang)) xa hoi. lieu va cau phuc gia thanh cha cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((((y nang) OR (ly nang))) or (v nang)) xa hoi. lieu va cau phuc gia thanh cha cua tre".
• Adding a wildcard symbol may retrieve word variants: su sach ((((y nang) OR (ly nang))) or (v nang)) xa hoi. lieu va cau phuc gia thanh cha cua tre*.