Perhaps you should try some spelling variations:
sang lai » sang tai, mang lai, sang mai
van hanh » van thanh, ban hanh, van anh
sang lap » sang tao, sang ma, sang tai
chat xuc » chat huu, cam xuc, chao xu
hieu su » hieu sau, tieu su, hieu so
va hanh » va thanh, va danh, ban hanh
su chat » su phat, du chat, so chat
vi cua » vai cua, di cua
tu bai » tu ban, tu bat, te bai
bai ky » ban ky, sai ky, bac 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 bai ky ((sang lai) or (sang lap)) hoi. hieu su chat xuc ((va hanh) or (van hanh)) vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu bai ky ((sang lai) OR (sang lap)) hoi. hieu su chat xuc ((va hanh) OR (van hanh)) vi cua te.
• Adding a wildcard symbol may retrieve word variants: tu bai ky ((sang lai) or (sang lap)) hoi. hieu su chat xuc ((va hanh) or (van hanh)) vi cua te*.