Perhaps you should try some spelling variations:
"va phuong cong snippets" » "va phuong dong snippets", "va phong cong snippets", "va phung cong snippets", "va thuong cong snippets", "cac phuong cong snippets"
"using data java snippets" » "using java java snippets", "using sat java snippets", "missing data java snippets"
"locating bug code snippets" » "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 data java snippets") or ("va phuong cong snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using data java snippets") OR ("va phuong cong snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using data java snippets ) or ( va phuong cong snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using data java snippets") or ("va phuong cong snippets"))) or ("locating bug code snippets"))*.