Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc hanh rok snippets" » "duc thanh rok snippets", "duc anh rok snippets", "du hanh rok snippets", "duc hang rok snippets", "duc hanh noi snippets", "duc hanh hoa 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: (((("duc hanh rok snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc hanh rok snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc hanh rok snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc hanh rok snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.