Perhaps you should try some spelling variations:
va hanh » van hanh, va thanh, va danh
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu van
vai cua » dai cua, hai cua, lai cua
hieu va » lieu va, hieu qua
va dinh » van dinh, va kinh, va tinh
cam duc » cam xuc, cao duc, pham duc
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
cua tu » cua tuc, cua su, cua cu

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 lang xa hoi. ((hieu ve) or (hieu va)) cam duc ((va hanh) or (va dinh)) vai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky lang xa hoi. ((hieu ve) OR (hieu va)) cam duc ((va hanh) OR (va dinh)) vai cua tu.
• Adding a wildcard symbol may retrieve word variants: tu sac ky lang xa hoi. ((hieu ve) or (hieu va)) cam duc ((va hanh) or (va dinh)) vai cua tu*.