Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"canh cua he snippets" » "manh cua he snippets", "hanh cua he snippets", "anh cua he snippets", "canh cua che snippets", "canh cua te snippets", "canh cua le 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: (((("canh cua he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("canh cua he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( canh cua he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("canh cua he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.