Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using data java snippets" » "using java java snippets", "using sat java snippets", "missing data java snippets", "using data java slippers"
"manh hung dan snippets" » "anh huong dan snippets", "manh huong dan snippets", "manh dung dan snippets", "manh tung dan snippets", "manh hung dan slippers"

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 ("manh hung dan snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using data java snippets") OR ("manh hung dan snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using data java snippets ) or ( manh hung dan snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using data java snippets") or ("manh hung dan snippets"))) or ("locating bugs code snippets"))*.