Perhaps you should try some spelling variations:
"using java code slippers" » "using data code slippers"
"thong va a snippets" » "thong cua a snippets", "truong va a snippets", "thong qua a snippets", "thong va am snippets", "thong va da snippets", "thong va ca 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 ("thong va a snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code slippers") OR ("thong va a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code slippers ) or ( thong va a snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code slippers") or ("thong va a snippets"))) or ("locating bug code snippets"))*.