Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"diem da voi snippets" » "dien da voi snippets", "diem a voi snippets", "diem du voi snippets", "diem dao voi snippets", "diem dua voi snippets", "diem ba voi snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("diem da voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("diem da voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( diem da voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("diem da voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.