Perhaps you should try some spelling variations:
"qua cao code snippets" » "qua cao cong snippets", "qua cao de snippets", "qua cfd code snippets", "qua cac code snippets", "qua ca code snippets", "qua cai code snippets", "qua cao code slippers"
"python using a snippets" » "python using a slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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