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