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