Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
lap lai » lap tai, lay lai, lam lai
cam luc » cam xuc, cau luc
ky sang » ky nang, ky tang, duy sang
vai cua » dai cua, hai cua, lai cua
ky dang » ky nang, ky danh
lap hai » lap tai, lap hoat, lanh hai
va hanh » van hanh, va thanh, va danh
hieu va » lieu va, hieu qua
luc va » duc va, tuc va, loc va
so sac » so sach, so dac
va cam » va cham, va cac, va cao
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: so sac ((ky sang) or (ky dang)) ((lap hai) OR (lap lai)). hieu va cam luc va hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sac ((ky sang) OR (ky dang)) ((lap hai) OR (lap lai)). hieu va cam luc va hanh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sac ((ky sang) or (ky dang)) ((lap hai) OR (lap lai)). hieu va cam luc va hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: so sac ((ky sang) or (ky dang)) ((lap hai) OR (lap lai)). hieu va cam luc va hanh vai cua te*.