Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using raw java snippets" » "using real java snippets", "using a java snippets", "using low java snippets", "using raw java slippers"
"van tuan va snippets" » "van quan va snippets", "van ban va snippets", "anh tuan va snippets", "van toan va snippets", "van luan va snippets", "van tuan va slippers"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("van tuan va snippets") or ("using raw java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van tuan va snippets") OR ("using raw java snippets"))) OR ("locating bugs code snippets"))*.
• Removing quotes may allow a broader search: (((( van tuan va snippets ) or ( using raw java snippets ))) or ( locating bugs code snippets ))*.