Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"than dieu bo snippets" » "nhan dieu bo snippets", "han dieu bo snippets", "thuat dieu bo snippets", "than hieu bo snippets", "than dieu bi snippets", "than dieu 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: (((("than dieu bo 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 dieu bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( than dieu bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than dieu bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.