Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh nhan do snippets" » "thanh nhan do snippets", "danh nhan do snippets", "anh nhan do snippets", "hanh nhan dot snippets", "hanh nhan mo snippets", "hanh nhan co 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 nhan 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 nhan do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh nhan do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh nhan do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.