Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap so mot snippets" » "phap mo mot snippets", "phap hoc mot snippets", "phap sao mot snippets", "phap son mot snippets", "phap o mot 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: (((("phap so mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap so mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap so mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap so mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.