Perhaps you should try some spelling variations:
"vi dinh cong snippets" » "vi dinh code snippets", "vi dinh cuong snippets", "vi dinh hong snippets", "vi dinh long snippets", "vi sinh cong snippets", "vi tinh cong snippets", "vu dinh 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: (((("vi dinh 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: (((("vi dinh cong snippets") OR ("using java java snippets"))) OR ("locating bug core snippets"))*.
• Removing quotes may allow a broader search: (((( vi dinh cong snippets ) or ( using java java snippets ))) or ( locating bug core snippets ))*.