Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc ma cac snippets" » "duoc ma cac snippets", "duc mau cac snippets", "duc man cac snippets", "duc va cac snippets", "duc ca cac snippets", "duc ma dac 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 ma cac 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 ma cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc ma cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc ma cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.