Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lai van hoat snippets" » "lai van hoa snippets", "lai van hoan snippets", "lai dan hoat snippets", "hai van hoat snippets", "mai van hoat snippets", "lai va 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: (((("lai van 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: (((("lai van hoat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lai van hoat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lai van hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.