Perhaps you should try some spelling variations:
"va nang cong snippets" » "va nang code snippets", "va nang song snippets", "va dang cong snippets", "va hang cong snippets", "van nang cong snippets", "da nang cong snippets", "cam nang cong snippets"
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"

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

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