Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using raw java snippets" » "using real java snippets", "using a java snippets", "using low java snippets"
"tu trong va snippets" » "tu tuong va snippets", "tu tieng va snippets", "tu trong van snippets", "tu trong ca snippets", "tu trong cac snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("tu trong va snippets") or ("using raw java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tu trong va snippets") OR ("using raw java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tu trong va snippets ) or ( using raw java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tu trong va snippets") or ("using raw java snippets"))) or ("locating bug core snippets"))*.