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