Perhaps you should try some spelling variations:
luoi hoi » duoc hoi, luat hoi, tuoi hai
ky mang » ky nang, ke mang, ky dang
hieu va » lieu va, hieu qua
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
tu dan » tuc dan, tu ban, cu dan
dan ky » van ky
va cam » va cham, va cac, va cao
di cua » dai cua, doi cua, de cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu dan ky mang ((luoi hoi) OR (quoc hoi)). hieu va cam xuc ((va hanh) or (va danh)) di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu dan ky mang ((luoi hoi) OR (quoc hoi)). hieu va cam xuc ((va hanh) OR (va danh)) di cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu dan ky mang ((luoi hoi) OR (quoc hoi)). hieu va cam xuc ((va hanh) or (va danh)) di cua te".
• Adding a wildcard symbol may retrieve word variants: tu dan ky mang ((luoi hoi) OR (quoc hoi)). hieu va cam xuc ((va hanh) or (va danh)) di cua te*.