Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh dan 14 slippers" » "trinh han 14 slippers", "trinh van 14 slippers", "trinh san 14 slippers", "trinh dan 14 slippery", "trinh dan 14 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 dan 14 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 dan 14 slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh dan 14 slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh dan 14 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.