Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hang ca di snippets" » "hang va di snippets", "nang cao di snippets", "hang tai di snippets", "hang cac di snippets", "hang pa di snippets", "hang ca da 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: (((("hang ca di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang ca di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang ca di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang ca di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.