Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"van lu tin snippets" » "van luc tin snippets", "van du tin snippets", "van le tin snippets", "van ly tin snippets", "van tu tin snippets", "van li tin 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: (((("van lu tin snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( van lu tin snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van lu tin snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.