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