Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"than vo hon snippets" » "than va hon snippets", "than doc hon snippets", "than hoc hon snippets", "than bo hon snippets", "than ro hon snippets", "than vo chong 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 hon 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 hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( than vo hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than vo hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.