Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh tot can snippets" » "hanh noi can snippets", "hanh tu can snippets", "hanh hoa can snippets", "hanh tot san snippets", "hanh trot cay snippets", "hanh toan can 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 tot 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: (((("hanh tot can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh tot can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh tot can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.