Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc li co snippets" » "duoc si co snippets", "duoc ly co snippets", "duoc lieu co snippets", "duoc loi co snippets", "duoc xi co 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 li co 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 li co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc li co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc li co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.