Perhaps you should try some spelling variations:
hieu va » lieu va, hieu qua
cam luc » cam xuc, cau luc
va tinh » may tinh
ma hoi » mai hoi, ma hoa, me hoi
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc va
vi cua » vai cua
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky nang ((ma hoi) OR (xa hoi)). hieu va cam luc va tinh ((vi cua) or (di cua)) vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang ((ma hoi) OR (xa hoi)). hieu va cam luc va tinh ((vi cua) OR (di cua)) vat.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang ((ma hoi) OR (xa hoi)). hieu va cam luc va tinh ((vi cua) or (di cua)) vat".
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang ((ma hoi) OR (xa hoi)). hieu va cam luc va tinh ((vi cua) or (di cua)) vat*.