Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"viet trong tu snippets" » "viet trung tu snippets", "viet thong tu snippets", "viet huong tu snippets", "viet trong thu snippets", "viet trong tuc snippets", "viet trong su 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: (((("viet trong tu snippets") OR ("using java java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"viet trong tu snippets\") OR (\"using java java snippets\"))) OR (\"locating bug core snippets\"))*".
• Removing quotes may allow a broader search: (((( viet trong tu snippets ) OR ( using java java snippets ))) OR ( locating bug core snippets ))*.