Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bug code slippers"
"using raw java snippets" » "using real java snippets", "using a java snippets", "using low java snippets"
"van cong code snippets" » "van cong cong snippets", "van cong co snippets", "van cong che snippets", "van dong code snippets", "van phong code snippets", "phan cong 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 raw java snippets") OR ("van cong 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 cong code snippets\"))) OR (\"locating bugs code slippers\"))".
• Removing quotes may allow a broader search: (((( using raw java snippets ) OR ( van cong code snippets ))) OR ( locating bugs code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("using raw java snippets") OR ("van cong code snippets"))) OR ("locating bugs code slippers"))*.