Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"don dien con snippets" » "dong dien con snippets", "doan dien con snippets", "doi dien con snippets", "don dien cong snippets", "don dien mon snippets", "don diet con 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: (((("don dien con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("don dien con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( don dien con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("don dien con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.