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