Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi ca chi snippets" » "khoi can chi snippets", "khoi cua chi snippets", "khoi va chi snippets", "khoi a chi snippets", "khoi cu chi snippets", "khoi la chi 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 ca chi 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 ca chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi ca chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi ca chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.