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