Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using data java snippets" » "using java java snippets", "using sat java snippets", "missing data java snippets"
"dai cuong cua snippets" » "tai cong cua snippets", "dai huong cua snippets", "dai cong cua snippets", "dai luong cua 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 ("dai cuong cua snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using data java snippets") OR ("dai cuong cua snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using data java snippets ) or ( dai cuong cua snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using data java snippets") or ("dai cuong cua snippets"))) or ("locating bugs code snippets"))*.