Perhaps you should try some spelling variations:
"using java code slippers" » "using data code slippers"
"chon can thi snippets" » "chon cac thi snippets", "cho can thi snippets", "chon van thi snippets", "chon cau thi snippets", "chon dan thi snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using java code slippers") or ("chon can thi snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code slippers") OR ("chon can thi snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code slippers ) or ( chon can thi snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code slippers") or ("chon can thi snippets"))) or ("locating bug code snippets"))*.