Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets", "using java code slippers"
"luan dan dat snippets" » "luan danh dat snippets", "luan van dat snippets", "luat dan dat snippets", "luan dung dat snippets", "luan dong dat snippets", "luan dinh dat snippets", "luan dan dat slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "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 ("luan dan dat snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("luan dan dat snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( luan dan dat snippets ))) or ( locating bug code snippets ))*.