Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con giap de snippets" » "don gian de snippets", "ton giao de snippets", "con giap le snippets", "con gia de snippets", "con giap duc 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: (((("con giap de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("con giap de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con giap de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con giap de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.