Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong hat dua slippers" » "cong nhat dua slippers", "cong chat dua slippers", "cong ha dua slippers", "cong hat cua slippers", "cong hat dum slippers", "cong chat cua slippers", "cong hat dua slippery", "cong hat dua 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 hat dua 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 hat dua slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong hat dua slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong hat dua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.