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