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