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