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