Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luong tu 26 slippers" » "luong tai 26 slippers", "luong thi 26 slippers", "luong tin 26 slippers", "luong tu 21 slippers", "luong tu 20 slippers", "luong tu 23 slippers", "luong tu 26 slippery", "luong tu 26 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: (((("luong tu 26 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luong tu 26 slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luong tu 26 slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luong tu 26 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.