Perhaps you should try some spelling variations:
sang lap » sang ma, sang tai, dan lap
hang tai » hang va, dung tai
pham duy » pham duc
nang tai » tang tai, sang tai, nang cao
vu pham » su pham, vi pham, vu kham
hieu vu » hieu va, hieu ve, hieu su
tu san » thu san, tu ban, tu can
duy va » duy vat, duy van, day va
san ky » sang ky, van ky, dan 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 san ky ((sang lap) or (sang tao)) hoi. hieu vu pham duy va ((nang tai) or (hang tai)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky ((sang lap) OR (sang tao)) hoi. hieu vu pham duy va ((nang tai) OR (hang tai)) cua te.
• Adding a wildcard symbol may retrieve word variants: tu san ky ((sang lap) or (sang tao)) hoi. hieu vu pham duy va ((nang tai) or (hang tai)) cua te*.