Perhaps you should try some spelling variations:
nguoi sach » nguoi san, nuoc sach
cau phuc » cau truc, chau phu, huu phuc
phuc van » thuc van, phuc va, chuc van
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
xanh di » danh di, vanh dai, xanh tai
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
ve cau » ke cau, va cau, ve cac
anh di » danh di, anh d, anh du

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

• Performing a fuzzy search may retrieve terms with similar spellings: nguoi sach y nang xa hoi. hieu ve cau phuc van ((anh di) or (xanh di)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nguoi sach y nang xa hoi. hieu ve cau phuc van ((anh di) OR (xanh di)) cua tre.
• Adding a wildcard symbol may retrieve word variants: nguoi sach y nang xa hoi. hieu ve cau phuc van ((anh di) or (xanh di)) cua tre*.