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