Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dai hai doc snippets" » "dai han doc snippets", "dai hoi doc snippets", "dai tai doc snippets", "dai bai doc snippets", "dai hai huoc snippets", "dai than doc 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 hai doc 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 hai doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dai hai doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dai hai doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.