Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"di duong che snippets" » "di duong code snippets", "di dong che snippets", "di dung che snippets", "di luong che snippets", "dai duong che snippets", "doi duong che snippets"
"using java java snippets" » "using data java 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 java java snippets") or ("di duong che snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("di duong che snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( di duong che snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("di duong che snippets"))) or ("locating bug core snippets"))*.