Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong sua xac slippers" » "cong suat xac slippers", "cong cua xac slippers", "cong suc xac slippers", "cong su xac slippers", "cong sua xac slippery", "cong sua xac 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: (((("cong sua xac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong sua xac slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong sua xac slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong sua xac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.