Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"using cao danh slippers" » "using a danh slippers", "using two danh slippers", "using c danh slippers", "using cao dang slippers", "using cao anh slippers", "using cau danh slippers", "using cao danh slippery", "using cao danh 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 ("using cao danh slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("using cao danh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( using cao danh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("using cao danh slippers"))) or ("locating bug code snippets"))*.