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