Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong lieu ky slippers" » "dong hieu ky slippers", "dong dieu ky slippers", "dong tieu ky slippers", "dong lieu xay slippers", "dong lieu ky slippery", "dong lieu ky 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 lieu ky 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 lieu ky slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong lieu ky slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong lieu ky slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.