Perhaps you should try some spelling variations:
"vi luong data snippets" » "vi luong dao snippets", "vi luong vat snippets", "vi luong mat snippets", "dai luong data snippets", "van luong data snippets", "hai luong data snippets", "vi luong data 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: (((("vi luong data snippets") or ("using low java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vi luong data snippets") OR ("using low java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vi luong data snippets ) or ( using low java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vi luong data snippets") or ("using low java snippets"))) or ("locating bug code snippets"))*.