Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dich va son snippets" » "dich vu son snippets", "tich va son snippets", "dinh van son snippets", "dich van son snippets", "dich va con snippets", "dich va san 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 son 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 son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dich va son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dich va son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.