Perhaps you should try some spelling variations:
"python using java slippery" » "python using data slippery"
"tu truc van slippers" » "tu truc va slippers", "tu thuc van slippers", "tu truc ban slippers", "cau truc van slippers", "tu thuoc van slippers", "tu trung van slippers", "tu truc 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: (((("tu truc van slippers") or ("python using java slippery"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tu truc van slippers") OR ("python using java slippery"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tu truc van slippers ) or ( python using java slippery ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tu truc van slippers") or ("python using java slippery"))) or ("locating bug code snippets"))*.