Perhaps you should try some spelling variations:
"dai duong vat snippets" » "dai cuong vat snippets", "hai duong vat snippets", "dai luong vat snippets", "dai dong vat snippets", "dai duong va snippets", "dai duong van snippets", "dai duong vat slippers"
"using low java snippets" » "using low 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dai duong vat snippets") or ("using low java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dai duong vat snippets") OR ("using low java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dai duong vat snippets ) or ( using low java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dai duong vat snippets") or ("using low java snippets"))) or ("locating bug code snippets"))*.