Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duy doc mo snippets" » "day doc mo snippets", "duy dac mo snippets", "duy dot mo snippets", "duy uoc mo snippets", "duy duc mo snippets", "duy doi mo 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: (((("duy doc mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duy doc mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duy doc mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duy doc mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.