Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mot cong dat slippers" » "moi cong dat slippers", "hoc cong dat slippers", "bo cong dat slippers", "mot dong dat slippers", "mot cong dan slippers", "mot cong da slippers", "mot cong dat slippery", "mot cong dat 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: (((("mot cong dat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mot cong dat slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mot cong dat slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mot cong dat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.