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