Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan cong lon snippets" » "phan cong code snippets", "thanh cong lon snippets", "phan cong luong snippets", "phan cong dong snippets", "phan cong cong snippets"
"using java java snippets" » "using data java snippets"

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"phan cong lon snippets\") OR (\"using java java snippets\"))) OR (\"locating bug core snippets\"))~".
• Removing quotes may allow a broader search: (((( phan cong lon snippets ) OR ( using java java snippets ))) OR ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("phan cong lon snippets") OR ("using java java snippets"))) OR ("locating bug core snippets"))*.