Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using low snippets" » "python using code snippets"
"ly duc trung snippets" » "ly dac trung snippets", "ly dung trung snippets", "ly do trung snippets", "ly duoc trung snippets", "ly du trung snippets", "le duc trung 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: (((("ly duc trung snippets") OR ("python using low snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( ly duc trung snippets ) or ( python using low snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("ly duc trung snippets") or ("python using low snippets"))) or ("locating bug core snippets"))*.