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