Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dich va cuc snippets" » "dich vu cuc snippets", "tich va cuc snippets", "dinh van cuc snippets", "dich va cuoc snippets", "dich van cuc snippets", "dich va cac 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: (((("dich va cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dich va cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dich va cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dich va cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.