Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi phap so snippets" » "thi phap so snippets", "phi phan so snippets", "phi thap so snippets", "phi phap mo snippets", "phi phap hoc 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: (((("phi phap so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi phap so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi phap so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi phap so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.