Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"trinh van kem slippers" » "trinh han kem slippers", "trinh quan kem slippers", "trinh toan kem slippers", "trinh van kiem slippers", "trinh ban kem slippers", "trinh van ket slippers", "trinh van kem slippery", "trinh van kem grippers"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code snippets"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("trinh van kem slippers"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( trinh van kem slippers ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("trinh van kem slippers"))) or ("locating bug code snippets"))*.