Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi va hoat snippets" » "hoi va hoat snippets", "khi va hoat snippets", "choi va hoat snippets", "khoi va hoa snippets", "khoi qua hoat snippets", "khoi 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: (((("khoi va 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: (((("khoi va hoat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi va hoat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi va hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.