Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"vu cong hoc snippets" » "vu cong code snippets", "vu dong hoc snippets", "vu cong hoa snippets", "vu cong coc snippets", "va cong hoc snippets", "tu cong hoc snippets", "cua cong hoc 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 ("vu cong hoc snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("vu cong hoc snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( vu cong hoc snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("vu cong hoc snippets"))) or ("locating bug core snippets"))*.