Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using raw snippets" » "python using real snippets", "python using a snippets", "python using low snippets"
"quan cau dua snippets" » "quang cao dua snippets", "toan cau dua snippets", "quan ha dua snippets", "quan cau qua snippets", "quan cau cua snippets", "quan ca dua 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: (((("quan cau dua snippets") OR ("python using raw snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( quan cau dua snippets ) or ( python using raw snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("quan cau dua snippets") or ("python using raw snippets"))) or ("locating bug core snippets"))*.