Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong cay lua slippers" » "dong cac lua slippers", "dong cao lua slippers", "dong cap lua slippers", "dong vay luan slippers", "dong cay lua slippery", "dong cay lua 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: (((("dong cay lua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong cay lua slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong cay lua slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong cay lua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.