Perhaps you should try some spelling variations:
sang mai » sang tai, lang mai, hoang mai
hanh vai » hanh vi, hanh va, hanh tai
sang ma » tang ma, nang ma, sang tao
hieu ve » hieu va, hieu van
cao duc » dao duc, cao suc, giao duc
va hanh » van hanh, va thanh, va danh
vai cuu » vai cua
cuu tre » cua tre, cau tren, cau treo
ve cao » va cao, ve bao, ve cac

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 ((sang mai) OR (sang ma)) hoi. hieu ve cao duc va hanh vai cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky ((sang mai) OR (sang ma)) hoi. hieu ve cao duc va hanh vai cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu cac ky ((sang mai) OR (sang ma)) hoi. hieu ve cao duc va hanh vai cuu tre*.