Perhaps you should try some spelling variations:
thien van » thi van
sach ky » sac ky, sach y, sach ty
van cam » van nam, van lam, van cau
cam duc » cam xuc, cao duc, pham duc
va hanh » van hanh, va thanh, va danh
hanh de » hanh ve, hanh kem
cuu tre » cua tre, cau tren, cau treo
de cuu » de cua
x hoi » xa hoi, x ho, 5 hoi
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ky) or (cac ky)) nang ((x hoi) or (o hoi)). thien van cam duc va hanh de cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (cac ky)) nang ((x hoi) OR (o hoi)). thien van cam duc va hanh de cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (cac ky)) nang ((x hoi) or (o hoi)). thien van cam duc va hanh de cuu tre*.