Perhaps you should try some spelling variations:
"trinh vat java snippets" » "trinh van java snippets", "trinh luat java snippets", "sinh vat java snippets", "trinh vat va snippets", "trinh vat java slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: "((((\"trinh vat java snippets\") OR (\"dung java java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( trinh vat java snippets ) OR ( dung java java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("trinh vat java snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets"))*.