Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"vi luong low snippets" » "vi luong code snippets", "vi duong loi snippets", "vi huong loi snippets", "vi luong do snippets", "dai luong low snippets", "van luong low snippets", "hai luong low snippets"
"using data java snippets" » "using java java snippets", "using sat java snippets", "missing 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: (((("vi luong low snippets") OR ("using data java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"vi luong low snippets\") OR (\"using data java snippets\"))) OR (\"locating bug core snippets\"))*".
• Removing quotes may allow a broader search: (((( vi luong low snippets ) OR ( using data java snippets ))) OR ( locating bug core snippets ))*.