Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat ngu dat slippers" » "nhat ngu dan slippers", "nhat ngu dao slippers", "nhat ngu danh slippers", "nhan ngu dat slippers", "nhat ngu dat slippery", "nhat ngu dat 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: (((("nhat ngu dat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhat ngu dat slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat ngu dat slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat ngu dat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.