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