Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using java java snippets" » "using data java snippets", "using java java slippers"
"van duong dan snippets" » "van dong dan snippets", "van dung dan snippets", "van phong dan snippets", "van duong dang snippets", "van huong dan snippets", "van duong van snippets", "van duong dan slippers"

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 java snippets") or ("van duong dan snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("van duong dan snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( van duong dan snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("van duong dan snippets"))) or ("locating bugs code snippets"))*.