Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kien dinh do snippets" » "kiem dinh do snippets", "kien kinh do snippets", "kien sinh do snippets", "kien dinh dao snippets", "kien dinh doc snippets", "kien dinh so 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: (((("kien dinh 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: (((("kien dinh do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kien dinh do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kien dinh do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.