Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cheng oc van slippers" » "cheng lu van slippers", "cheng yi van slippers", "cheng hoc van slippers", "cheng luoc van slippers", "cheng quoc van slippers", "cheng oc van slippery", "cheng oc van 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: (((("cheng oc van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cheng oc van slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cheng oc van slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cheng oc van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.