Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"den van cho snippets" » "dien van cho snippets", "nen van cho snippets", "de van cho snippets", "den van chi snippets", "den san cho snippets", "den van chat 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: (((("den van cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("den van cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( den van cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den van cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.