Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh cat do snippets" » "hanh cac do snippets", "hanh luat do snippets", "nhanh cay do snippets", "hanh cau do snippets", "hanh cap do snippets", "hanh cao do 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 cat do 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 cat do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh cat do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh cat do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.