Perhaps you should try some spelling variations:
"using data java snippets" » "using java java snippets", "using sat java snippets", "missing data java snippets"
"hai luong du snippets" » "hai duong du snippets", "hai long du snippets", "dai luong du snippets", "hai luong duc snippets", "hai luong duy snippets", "hai luong tu 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: (((("hai luong du snippets") or ("using data java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hai luong du snippets") OR ("using data java snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( hai luong du snippets ) or ( using data java snippets ))) or ( locating bug code snippets ))*.