Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"den cac chi snippets" » "dien cac chi snippets", "dan cac chi snippets", "de cac chi snippets", "den ca chi snippets", "den cac che snippets", "den cac thi 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 cac chi 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 cac chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( den cac chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den cac chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.