Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chao van han slippers" » "cao van han slippers", "hao van han slippers", "thao van han slippers", "chao van hanh slippers", "chao van phan slippers", "chao van nhan slippers", "chao van han slippery", "chao van han 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: (((("chao van han slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chao van han slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chao van han slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chao van han slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.