Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong thi ha slippers" » "cong thai ha slippers", "cong khi ha slippers", "dong thi ha slippers", "cong thi hai slippers", "cong thi hanh slippers", "cong thi ha slippery", "cong thi ha 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 thi ha 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 thi ha slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong thi ha slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong thi ha slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.