Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khac pha doc snippets" » "kham pha doc snippets", "khai pha doc snippets", "khac phuc doc snippets", "khac phap doc snippets", "khac pham duc snippets", "khac than doc 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: (((("khac pha 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: (((("khac pha doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khac pha doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khac pha doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.