Perhaps you should try some spelling variations:
"using raw java snippets" » "using real java snippets", "using a java snippets", "using low java snippets", "using raw java slippers"
"vi luong raw snippets" » "vi luong va snippets", "vi luong tai snippets", "vi luong cac snippets", "dai luong raw snippets", "van luong raw snippets", "hai luong raw snippets", "vi luong raw slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using raw java snippets\") OR (\"vi luong raw snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( using raw java snippets ) OR ( vi luong raw snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using raw java snippets") OR ("vi luong raw snippets"))) OR ("locating bug code snippets"))*.