Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh han da snippets" » "hanh nhan da snippets", "hanh phan da snippets", "hanh san da snippets", "hanh han dau snippets", "hanh han day snippets", "hanh han va 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 han da 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 han da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh han da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh han da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.