Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"huong van duc slippers" » "huong dan duc slippers", "duong van duc slippers", "hong van duc slippers", "huong van duy slippers", "huong van du slippers", "huong tran duc slippers", "huong van duc slippery", "huong van duc 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 ("huong van duc slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("huong van duc slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( huong van duc slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("huong van duc slippers"))) or ("locating bug code snippets"))*.