Perhaps you should try some spelling variations:
"python using data slippery" » "python using java slippery", "python using sat slippery", "python missing data slippery", "python using data slippers"
"web voi tran grippers" » "web voi thanh grippers", "web voi trong grippers", "web hoi trac grippers", "web voi tran slippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets", "locating bug code slippers"

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: (((("python using data slippery") or ("web voi tran grippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using data slippery") OR ("web voi tran grippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using data slippery ) or ( web voi tran grippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using data slippery") or ("web voi tran grippers"))) or ("locating bug code snippets"))*.