Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van ngoc so snippets" » "van ngoc code snippets", "tran ngoc so snippets", "van hoc so snippets", "van nghe so snippets", "van ngoc son snippets", "van ngoc sy snippets", "van nuoc so snippets"
"python using java snippets" » "python using data 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 ngoc so snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( van ngoc so snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van ngoc so snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.