Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dam phan can snippets" » "d phan can snippets", "va phan can snippets", "van phan can snippets", "dam phan cang snippets", "dam phan van snippets", "dam phan cac 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: (((("dam phan can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dam phan can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dam phan can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dam phan can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.