Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi phi hoc snippets" » "chi phi hoc snippets", "phi thi hoc snippets", "thi phi hoc snippets", "phi phoi hoc snippets", "phi khi hoc snippets", "phi pho 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 phi hoc 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 phi hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi phi hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi phi hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.