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