Perhaps you should try some spelling variations:
"locating bbug code snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"viet dung co snippets" » "viet hung co snippets", "viet huong co snippets", "viet trung co snippets", "viet dung cho snippets", "viet dung cong snippets", "viet dung cua 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: "((((\"viet dung co snippets\") OR (\"using java java snippets\"))) OR (\"locating bbug code snippets\"))~".
• Removing quotes may allow a broader search: (((( viet dung co snippets ) OR ( using java java snippets ))) OR ( locating bbug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("viet dung co snippets") OR ("using java java snippets"))) OR ("locating bbug code snippets"))*.