Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"vi trinh cau slippery" » "vi trinh chat slippery", "vi trinh chao slippery", "vi trinh tu slippery", "vi tinh cau slippery", "va trinh cau slippery", "viet trinh cau slippery", "vi trinh cau 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: "((((\"vi trinh cau slippery\") OR (\"using java java snippets\"))) OR (\"locating bug core snippets\"))~".
• Removing quotes may allow a broader search: (((( vi trinh cau slippery ) OR ( using java java snippets ))) OR ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("vi trinh cau slippery") OR ("using java java snippets"))) OR ("locating bug core snippets"))*.