Perhaps you should try some spelling variations:
qua cham » qua hai, qua cac, va cham
hanh dai » hanh tai, hanh dao, vanh dai
va triet » va thiet, va trien, ve triet
tu bach » vu bach, tu cach, tu hach
va hanh » van hanh, va thanh, va danh
tu bac » tu ban, tu cac, tu bat
soc va » hoc va, loc va, doc va
dai va » mai va
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu bac) or (tu bach)) ky nang x hoi. hieu qua cham soc va hanh dai va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu bac) OR (tu bach)) ky nang x hoi. hieu qua cham soc va hanh dai va triet.
• Adding a wildcard symbol may retrieve word variants: ((tu bac) or (tu bach)) ky nang x hoi. hieu qua cham soc va hanh dai va triet*.