Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dai phan do snippets" » "dai han do snippets", "dam phan do snippets", "tai phan do snippets", "dai phan bo snippets", "dai phan co snippets", "dai phan mo 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 phan 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 phan do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dai phan do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dai phan do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.