Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh mat can snippets" » "hanh mot can snippets", "hanh cat can snippets", "hanh ma can snippets", "hanh bat can snippets", "hanh mat dan snippets", "hanh mao 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 mat 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 mat can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh mat can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh mat can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.