Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc hanh lo snippets" » "duc thanh lo snippets", "duc anh lo snippets", "du hanh lo snippets", "duc hanh mo snippets", "duc thanh loi snippets", "duc nhanh lao 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 lo 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 lo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc hanh lo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc hanh lo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.