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"
"vi trinh java slippery" » "vi tinh java slippery", "va trinh java slippery", "viet trinh java slippery", "vi trinh java slippers"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("vi trinh java slippery") or ("using raw java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vi trinh java slippery") OR ("using raw java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( vi trinh java slippery ) or ( using raw java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vi trinh java slippery") or ("using raw java snippets"))) or ("locating bug core snippets"))*.