Perhaps you should try some spelling variations:
sang lai » sang tai, mang lai, sang mai
sang lap » sang tao, sang ma, sang tai
van hanh » van thanh, ban hanh, van anh
hieu so » thieu so
te sach » toc sach
so chao » so thao, so chat, so cho
vi cua » vai cua, di cua
xu van » tu van, vu van, su van
tu sac » tu sach, tu cac, tu san
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) or (te sach)) ky ((sang lai) or (sang lap)) hoi. hieu so chao xu van hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (te sach)) ky ((sang lai) OR (sang lap)) hoi. hieu so chao xu van hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (te sach)) ky ((sang lai) or (sang lap)) hoi. hieu so chao xu van hanh vi cua te*.