Perhaps you should try some spelling variations:
nguoi sach » nguoi san, nuoc sach
phuc van » thuc van, chuc van, khuc van
hieu ve » hieu va, hieu van
phuc va » phuc vu, thuc va, chuc va
hanh di » hanh vi, hanh de, hang di
cuu tre » cua tre, cau tren, cau treo
ve cau » ke cau, va cau, ve cac
di cuu » di cau, di cua, dinh cuu
x hoi » xa hoi, o hoi, x ho
cuoc » quoc, duoc

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

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