Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoa nam he snippets" » "khoa cam he snippets", "hoa nam he snippets", "khoa kham he snippets", "khoa nam ha snippets", "khoa nam hien snippets", "khoa nam nghe 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: (((("khoa nam he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoa nam he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoa nam he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoa nam he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.