Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bugs code snippets", "locating bug code slippers"
"using java java snippets" » "using data java snippets"
"van duong ra snippets" » "van dong ra snippets", "van dung ra snippets", "van phong ra snippets", "van duong va snippets", "van duong ma snippets", "van duong ha 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 java snippets") or ("van duong ra snippets"))) or ("locating bugs code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("van duong ra snippets"))) OR ("locating bugs code slippers")).
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( van duong ra snippets ))) or ( locating bugs code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("van duong ra snippets"))) or ("locating bugs code slippers"))*.