Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hen hoc chuc snippets" » "hen hoc thuc snippets", "hen hoi chuc snippets", "hen hoc chu snippets", "hen ho chuc snippets", "den hoc chuc snippets", "khien hoc chuc 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: (((("hen hoc chuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hen hoc chuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hen hoc chuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hen hoc chuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.