Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"van dung code slippers" » "van dung cong slippers", "van dung co slippers", "van dung de slippers", "van dong code slippers", "xay dung code slippers", "tin dung code slippers"
"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 snippets") or ("van dung code slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("van dung code slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( van dung code slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("van dung code slippers"))) or ("locating bug code snippets"))*.