Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bug code slippers"
"van cuong code snippets" » "van cuong cong snippets", "van chuong code snippets", "van duong code snippets", "van cong code snippets"
"using raw java snippets" » "using real java snippets", "using a java snippets", "using low java 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 raw java snippets") OR ("van cuong code snippets"))) OR ("locating bugs code slippers"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using raw java snippets\") OR (\"van cuong code snippets\"))) OR (\"locating bugs code slippers\"))".
• Removing quotes may allow a broader search: (((( using raw java snippets ) OR ( van cuong code snippets ))) OR ( locating bugs code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("using raw java snippets") OR ("van cuong code snippets"))) OR ("locating bugs code slippers"))*.