Perhaps you should try some spelling variations:
hieu ve » hieu va, hieu van
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 sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
nang o » nang co, nang ho, nang ro
ve cam » ve cham, ve cac, va cam
o hai » co hai, so hai, o lai

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky nang o hai. hieu ve 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 sac ky nang o hai. hieu ve cam duc va hanh ((((vai cua) OR (bai cua))) OR (hai cua)) cu.
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang o hai. hieu ve cam duc va hanh ((((vai cua) or (bai cua))) or (hai cua)) cu*.