Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi hat cu snippets" » "phi hoat cu snippets", "phi vat cu snippets", "phi ha cu snippets", "phi hat cua snippets", "phi bat cu snippets", "phi hat ca 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 hat cu 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 hat cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi hat cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi hat cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.