Perhaps you should try some spelling variations:
sang lai » sang tai, mang lai, sang mai
sang lap » sang tao, sang ma, sang tai
tinh vi » trinh vi, tinh voi, tinh va
va tinh » may tinh
su chao » su cao, sau chan
hieu su » hieu sau, tieu su, hieu so
vi cua » vai cua, di cua
sac ky » sai ky
cua te » cua tu
xu va » xu van, tu va, su va

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) OR (cac ky)) ((sang lai) or (sang lap)) roi. hieu su chao xu va tinh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sac ky) OR (cac ky)) ((sang lai) OR (sang lap)) roi. hieu su chao xu va tinh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sac ky) OR (cac ky)) ((sang lai) or (sang lap)) roi. hieu su chao xu va tinh vi cua te".
• Adding a wildcard symbol may retrieve word variants: tu ((sac ky) OR (cac ky)) ((sang lai) or (sang lap)) roi. hieu su chao xu va tinh vi cua te*.