Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"van luong tin snippets" » "van duong tin snippets", "van cuong tin snippets", "nang luong tin snippets", "van thong tin snippets", "van luong tai snippets", "van luong thi snippets", "van luong tin 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: (((("van luong tin snippets") or ("using java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van luong tin snippets") OR ("using java java snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( van luong tin snippets ) or ( using java java snippets ))) or ( locating bug code snippets ))*.