Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tri hoc van snippets" » "triet hoc van snippets", "tri thuc van snippets", "thai hoc van snippets", "tri hoc dan snippets", "tri hoc va snippets", "tri hoc vat 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 ("tri hoc van snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( tri hoc van snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("tri hoc van snippets"))) or ("locating bug core snippets"))*.