Perhaps you should try some spelling variations:
"tran hoang sai snippets" » "quan hoang sai snippets", "tran quang sai snippets", "tranh hang sai snippets", "tran hoang hai snippets", "tran hoang mai snippets", "tran hoang san snippets", "tran hoang sai 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: "((((\"tran hoang sai snippets\") OR (\"dung java java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( tran hoang sai snippets ) OR ( dung java java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("tran hoang sai snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets"))*.