Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"viet trinh ly snippets" » "viet trung ly snippets", "viet thanh ly snippets", "viet trong ly snippets", "viet trinh ky snippets", "viet trinh do snippets", "viet trinh tu 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 trinh ly 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 trinh ly snippets\") OR (\"using java java snippets\"))) OR (\"locating bug core snippets\"))*".
• Removing quotes may allow a broader search: (((( viet trinh ly snippets ) OR ( using java java snippets ))) OR ( locating bug core snippets ))*.