Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using raw java snippets" » "using real java snippets", "using a java snippets", "using low java snippets"
"van trinh java slippery" » "van thinh java slippery", "van tinh java slippery", "dan trinh java slippery", "van trinh java slippers"

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: "((((\"using raw java snippets\") OR (\"van trinh java slippery\"))) OR (\"locating bug core snippets\"))~".
• Removing quotes may allow a broader search: (((( using raw java snippets ) OR ( van trinh java slippery ))) OR ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using raw java snippets") OR ("van trinh java slippery"))) OR ("locating bug core snippets"))*.