Perhaps you should try some spelling variations:
cham tuc » nham thuc, pham thuc, tham thuc
hieu ve » hieu va, hieu van
hang di » hang doi, hang vi, hang dien
va hang » van hang, va nang, va lang
ve cham » va cham, ve chat, vu cham
te sach » toc sach
so sach » so sanh, bo sach, co sach
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, tuc xa
di cua » dai cua, doi cua, de cua
x hoi » o hoi, x ho, 5 hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (so sach)) ky nang ((x hoi) or (xa hoi)). hieu ve cham tuc va hang di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (so sach)) ky nang ((x hoi) OR (xa hoi)). hieu ve cham tuc va hang di cua tre.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (so sach)) ky nang ((x hoi) or (xa hoi)). hieu ve cham tuc va hang di cua tre*.