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