Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong can thi slippers" » "dong chan thi slippers", "dong san thi slippers", "dong ban thi slippers", "dong cau thi slippers", "dong dan thi slippers", "dong van thi slippers", "dong can thi slippery", "dong can thi 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 can thi 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 can thi slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong can thi slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong can thi slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.