Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"long van doc snippets" » "luong van doc snippets", "song van doc snippets", "lang van doc snippets", "long van duoc snippets", "long van hoc snippets", "long van loc 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: (((("long van doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("long van doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( long van doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("long van doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.