Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhe tap can snippets" » "nghe tan can snippets", "nghe tai can snippets", "nhe tap van snippets", "nhe tap cac snippets", "nhe tac can 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: (((("nhe tap can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhe tap can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhe tap can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhe tap can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.