Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan co can snippets" » "phan bo can snippets", "phan cong can snippets", "phan cac can snippets", "phan cho can snippets", "phan co ban snippets", "phan co dan 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: (((("phan co 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: (((("phan co can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan co can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan co can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.