Perhaps you should try some spelling variations:
hieu va » lieu va, hieu qua
cam duc » cam xuc, cao duc, pham duc
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, lai cua, mai cua
bai cua » ban cua, dai cua, bai ca
hai cua » thai cua, dai cua, hoi cua
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
va cam » va cham, va cac, va cao
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 san ky nang x hoi. hieu va cam duc va hanh ((((vai cua) or (bai cua))) or (hai cua)) cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky nang x hoi. hieu va cam duc va hanh ((((vai cua) OR (bai cua))) OR (hai cua)) cu.
• Adding a wildcard symbol may retrieve word variants: tu san ky nang x hoi. hieu va cam duc va hanh ((((vai cua) or (bai cua))) or (hai cua)) cu*.