Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong ban dan slippers" » "cong bang dan slippers", "cong san dan slippers", "cong tan dan slippers", "cong ban hang slippers", "cong ban hanh slippers", "cong ban quan slippers", "cong ban dan slippery", "cong ban dan 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 ban dan 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 ban dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong ban dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong ban dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.