Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi trinh tu slippers" » "doc trinh tu slippers", "doi tinh tu slippers", "dong trinh tu slippers", "doi trinh ky slippers", "doi trinh do slippers", "doi trinh tu slippery", "doi trinh tu grippers"
"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: (((("doi trinh tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi trinh tu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi trinh tu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi trinh tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.