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