Perhaps you should try some spelling variations:
sang tao » hang tai
sang lap » sang ma, sang tai, dan lap
hieu va » lieu va, hieu qua
cam luc » cam xuc, cau luc
va hanh » van hanh, va thanh, va danh
so sac » so sach, so dac
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc va
vi cua » vai cua, di 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: so sac ky ((sang lap) OR (sang tao)) hai. hieu va cam luc va hanh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sac ky ((sang lap) OR (sang tao)) hai. hieu va cam luc va hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: so sac ky ((sang lap) OR (sang tao)) hai. hieu va cam luc va hanh vi cua te*.