Perhaps you should try some spelling variations:
sang lap » sang tao, sang tai, dan lap
hanh vai » hanh vi, hanh va, hanh tai
hieu ve » hieu va, hieu van
vai cua » dai cua, hai cua, lai cua
sang ma » tang ma, nang ma, sang tao
va hanh » van hanh, va thanh, va danh
cac duc » cac du, cao duc, cac dac
ve cac » va cac, vien cac
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
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 sac ky ((((sang lap) or (sang ma))) or (dung tai)) hoi. hieu ve cac duc va hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((((sang lap) OR (sang ma))) OR (dung tai)) hoi. hieu ve cac duc va hanh vai cua te.
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((((sang lap) or (sang ma))) or (dung tai)) hoi. hieu ve cac duc va hanh vai cua te*.