Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"day cong dot snippets" » "day con dot snippets", "cay cong dot snippets", "may cong dot snippets", "day cong mot snippets", "day cong dong snippets", "day cong doan snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("day cong dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("day cong dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( day cong dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("day cong dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.