Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhung co dan slippers" » "nhung con dan slippers", "nhung bo dan slippers", "chung co dan slippers", "nhung co ban slippers", "nhung ca dan slippers", "nhung cao dang slippers", "nhung co dan slippery", "nhung co dan grippers"
"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: (((("nhung co dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhung co dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung co dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung co dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.