Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"day le chan snippets" » "day le thanh snippets", "day le khanh snippets", "day le thang snippets", "dao le chan snippets", "day lo chan snippets", "tay le chan 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 le chan 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 le chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( day le chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("day le chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.