Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hoc dat duc snippets" » "hoc dan duc snippets", "hoc dai duc snippets", "hoc phat duc snippets", "hoc dat duoc snippets", "hoc dao duc snippets", "hoc dat doc 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: (((("python using java snippets") OR ("hoc dat duc snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( hoc dat duc snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("hoc dat duc snippets"))) or ("locating bug core snippets"))*.