Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban dan hoat snippets" » "ban van hoa snippets", "ban dan hoc snippets", "ban danh hoa snippets", "ban hang hoat snippets", "ban hanh hoat snippets", "ban quan hoat 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: (((("ban dan hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban dan hoat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban dan hoat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban dan hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.