Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chang ha can snippets" » "chang ham can snippets", "hang ha can snippets", "chang ama can snippets", "chang hau can snippets", "chang ha canh snippets", "chang ha van 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: (((("chang ha can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chang ha can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chang ha can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chang ha can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.