Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van duong doi snippets" » "van duong code snippets", "van dong doi snippets", "van dung doi snippets", "van phong doi snippets", "van duong loi snippets", "van huong doi snippets"
"using java java snippets" » "using data 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: (((("van duong doi snippets") OR ("using java java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"van duong doi snippets\") OR (\"using java java snippets\"))) OR (\"locating bug core snippets\"))*".
• Removing quotes may allow a broader search: (((( van duong doi snippets ) OR ( using java java snippets ))) OR ( locating bug core snippets ))*.