Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"duc viet lua slippers" » "tuc viet lua slippers", "thuc viet lua slippers", "nuoc viet lua slippers", "duc viet qua slippers", "duc viet quan slippers", "duc viet tuan slippers", "duc viet lua slippery", "duc viet lua 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.

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