Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phuc kinh do snippets" » "chuc kinh do snippets", "phuc hinh do snippets", "thuc kinh do snippets", "phuc kinh co snippets", "phuc trinh do snippets", "phuc kinh hoc 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: (((("phuc kinh 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: (((("phuc kinh do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phuc kinh do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuc kinh do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.