Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nha cao dan slippers" » "nha cao dang slippers", "nha cao danh slippers", "nha cac dan slippers", "nhan cao dan slippers", "nhat cao dan slippers", "nha cao dan slippery", "nha cao 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: (((("nha cao 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: (((("nha cao dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nha cao dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nha cao dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.