Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tu trac van snippets" » "tu tran van snippets", "tu tac van snippets", "tu truc van snippets", "ty trach van snippets", "tap trac van 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: (((("tu trac van snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( tu trac van snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("tu trac van snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.