Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc duoc cac snippets" » "duoc duoc cac snippets", "duc quoc cac snippets", "duc suc cac snippets", "duc cuoc cach snippets", "duc duoc chat snippets", "duc duong cac 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: (((("duc duoc cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc duoc cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc duoc cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc duoc cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.