Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luong va tao slippers" » "dung va tao slippers", "luong va bao slippers", "luong va cao slippers", "luong va tac slippers", "luong va tao slippery", "luong va tao 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 va tao 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 va tao slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luong va tao slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luong va tao slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.