Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"data va han snippets" » "dat va han snippets", "data a han snippets", "data v0 han snippets", "data va phan snippets", "data van han snippets", "data va hanh snippets", "data va han slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("data va han snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("data va han snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( data va han snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("data va han snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.