Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi dong so snippets" » "doi duong so snippets", "doi song so snippets", "hoi dong so snippets", "doi dong son snippets", "doi dong co snippets", "doi cong 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 dong so 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 dong so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi dong so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi dong so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.