Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc cu chi snippets" » "duoc co chi snippets", "duoc tu chi snippets", "duoc su chi snippets", "duoc cu cho snippets", "duoc ca chi 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: (((("duoc cu chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duoc cu chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc cu chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc cu chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.