Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh vat a1 slippers" » "trinh van a1 slippers", "trinh luat a1 slippers", "sinh vat a1 slippers", "trinh vat a1 slippery", "trinh vat a1 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 vat a1 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 vat a1 slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh vat a1 slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh vat a1 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.