Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khac dao do snippets" » "khac do do snippets", "khac dai do snippets", "khac duan do snippets", "khac dao o snippets", "khac dao ho snippets", "khac dao dong 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: (((("khac dao do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khac dao do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khac dao do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khac dao do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.