Perhaps you should try some spelling variations:
"python using raw snippets" » "python using real snippets", "python using a snippets", "python using low snippets", "python using raw slippers"
"nhan cao van snippets" » "nha cao van snippets", "nhan tao van snippets", "nhan co van snippets", "nhan cac van snippets", "nhan dao van snippets", "nhan cao dang snippets", "nhan cao van slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using raw snippets") or ("nhan cao van snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using raw snippets") OR ("nhan cao van snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using raw snippets ) or ( nhan cao van snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using raw snippets") or ("nhan cao van snippets"))) or ("locating bug code snippets"))*.