Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bug code slippers"
"using java code snippets" » "using data code snippets"
"van anh code snippets" » "van anh co snippets", "van anh cong snippets", "van thanh code snippets", "van minh code snippets", "tuan anh 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 ("van anh code snippets"))) or ("locating bugs code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("van anh code snippets"))) OR ("locating bugs code slippers")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( van anh code snippets ))) or ( locating bugs code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("van anh code snippets"))) or ("locating bugs code slippers"))*.