Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi xay ho snippets" » "khoi bay ho snippets", "phi xay ho snippets", "noi xay ho snippets", "khoi tay ho snippets", "khoi vay ho 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 xay ho 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 xay ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi xay ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi xay ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.