Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"vi dong hoc snippets" » "vi dong code snippets", "vi dong co snippets", "vi dong luc snippets", "voi dong hoc snippets", "di dong hoc snippets", "va dong hoc snippets"
"using java java snippets" » "using data java snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("vi dong hoc snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( vi dong hoc snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("vi dong hoc snippets"))) or ("locating bug core snippets"))*.