Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dai thua do snippets" » "dai thu do snippets", "dai thuc do snippets", "dai cua do snippets", "dai thuat do snippets", "dai thuy do 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: (((("dai thua do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dai thua do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dai thua do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dai thua do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.