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"
"vi luong van snippets" » "vi luong va snippets", "vi duong van snippets", "vi luong vat snippets", "dai luong van snippets", "van luong van snippets", "hai luong van snippets", "vi luong van slippers"

You may be able to get more results by adjusting your search query.

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