Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"vi luong vo snippets" » "dai luong vo snippets", "van luong vo snippets", "hai luong vo snippets", "vi luong von snippets", "vi luong va snippets", "vi cuong vo snippets"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"vi luong vo snippets\") OR (\"using java java snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( vi luong vo snippets ) OR ( using java java snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("vi luong vo snippets") OR ("using java java snippets"))) OR ("locating bugs code snippets"))*.