Perhaps you should try some spelling variations:
chu bang » thu bang, chuc nang, chu quang
thi nang » thi cong, ki nang, thi hanh
chat huu » pham huu
hanh dai » hanh tai, hanh dao, vanh dai
cua viet » ca viet, hoa viet, cua vat
te sach » toc sach
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
va hanh » van hanh, va thanh, va danh
huu va » cuu va, tuu va

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 ((chu bang) or (thi nang)) xa hoi. hieu ve chat huu va hanh dai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((chu bang) OR (thi nang)) xa hoi. hieu ve chat huu va hanh dai cua viet.
• Adding a wildcard symbol may retrieve word variants: te sach ((chu bang) or (thi nang)) xa hoi. hieu ve chat huu va hanh dai cua viet*.