Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"san dan hoat snippets" » "san van hoa snippets", "san dan hoc snippets", "san danh hoa snippets", "sanh dan hoat snippets", "shan dan hoat snippets", "ban dan 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: (((("san 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: (((("san dan hoat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( san dan hoat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("san dan hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.