Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh cu dan slippers" » "trinh cau dan slippers", "trinh cua dan slippers", "trinh chu dan slippers", "trinh ca dan slippers", "trinh co dan slippers", "trinh cu dan slippery", "trinh cu dan 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: (((("trinh cu dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh cu dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh cu dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh cu dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.