Perhaps you should try some spelling variations:
"python missing data snippets" » "python using data snippets", "python missing data slippers"
"pha du f snippets" » "pham duc f snippets", "pham duy f snippets", "phan duc f snippets", "pha du _ snippets", "pha du f 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"pha du f snippets\") OR (\"python missing data snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( pha du f snippets ) OR ( python missing data snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("pha du f snippets") OR ("python missing data snippets"))) OR ("locating bug code snippets"))*.