Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong co chin snippets" » "dong cho chinh snippets", "dong do chinh snippets", "dong co chang snippets", "cong co chin snippets", "dung co chin 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: (((("dong co chin snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong co chin snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong co chin snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong co chin snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.