Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using sat java snippets" » "using data java snippets", "using a java snippets", "using raw java snippets", "using sat va snippets"
"van luong raw snippets" » "van duong raw snippets", "van cuong raw snippets", "nang luong raw snippets", "van luong va snippets", "van luong tai snippets", "van luong 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: (((("using sat java snippets") OR ("van luong raw snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using sat java snippets\") OR (\"van luong raw snippets\"))) OR (\"locating bug core snippets\"))*".
• Removing quotes may allow a broader search: (((( using sat java snippets ) OR ( van luong raw snippets ))) OR ( locating bug core snippets ))*.