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