Perhaps you should try some spelling variations:
hieu suat » hieu luat, hieu qua
sang lai » sang tai, sang lap, mang lai
hanh vai » hanh vi, hanh va, hanh tai
hieu sau » hieu su, tieu su, hieu va
vai cua » dai cua, hai cua, lai cua
sang ma » tang ma, nang ma, sang tao
va hanh » van hanh, va thanh, va danh
nam xuc » cam xuc, nam xua, nam thuc
tu sai » tu bai, tu san, tu cai
xuc va » duc va, tuc va, luc va
sai ky » sac 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 sai ky ((sang lai) or (sang ma)) hoi. ((hieu suat) or (hieu sau)) nam xuc va hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky ((sang lai) OR (sang ma)) hoi. ((hieu suat) OR (hieu sau)) nam xuc va hanh vai cua te.
• Adding a wildcard symbol may retrieve word variants: tu sai ky ((sang lai) or (sang ma)) hoi. ((hieu suat) or (hieu sau)) nam xuc va hanh vai cua te*.