Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nap dang mo snippets" » "nam dang mo snippets", "nao dang mo snippets", "nhan dang mo snippets", "nap dang mon snippets", "nap dung mo snippets", "nap dang do 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: (((("nap dang 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: (((("nap dang mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nap dang mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nap dang mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.