Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"than vo he snippets" » "than va he snippets", "than doc he snippets", "than hoc he snippets", "than do he snippets", "than so he 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: (((("than vo he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("than vo he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( than vo he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than vo he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.