Perhaps you should try some spelling variations:
so sang » so sanh, so dang, so lang
sang ky » sang kyo, dang ky, tang ky
nang xa » lang xa, nang ma, mang xa
cac tuc » cac toc, cac tu, cac tac
tuc cac » tu cac, tich cac
dan di » danh di, dan de, dan li
dan da » dan dat, dan ca, dan va
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: so sang ky ((nang xa) or (nang x)) hoi. lieu va cac tuc cac ((dan di) OR (dan da)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sang ky ((nang xa) OR (nang x)) hoi. lieu va cac tuc cac ((dan di) OR (dan da)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sang ky ((nang xa) or (nang x)) hoi. lieu va cac tuc cac ((dan di) OR (dan da)) cua te".
• Adding a wildcard symbol may retrieve word variants: so sang ky ((nang xa) or (nang x)) hoi. lieu va cac tuc cac ((dan di) OR (dan da)) cua te*.