Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh may hoc snippets" » "hanh ma hoc snippets", "hanh mau hoc snippets", "hanh ngay hoc snippets", "hanh day hoc snippets", "hanh may moc snippets", "hanh may loc 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 may hoc 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 may hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh may hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh may hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.