Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
va thanh » gia thanh, ban thanh, va tinh
thanh ve » hanh ve, thanh va, thanh vien
bo sach » co sach, hoc sach
hai duc » hoai duc, mai duc, ha duc
y nang » ky nang, ly nang, v nang
va hai » van hai, va chai, va khai
ve cua » le cua, de cua, te cua
5 hoi » o hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: bo sach y nang ((5 hoi) or (x ho)). lieu va hai duc va thanh ve cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: bo sach y nang ((5 hoi) OR (x ho)). lieu va hai duc va thanh ve cua triet.
• Adding a wildcard symbol may retrieve word variants: bo sach y nang ((5 hoi) or (x ho)). lieu va hai duc va thanh ve cua triet*.