Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh noi he snippets" » "ha noi he snippets", "hanh vi he snippets", "hanh noi ve snippets", "hanh moi he snippets", "hanh noi de 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: (((("hanh noi 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: (((("hanh noi he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh noi he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh noi he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.