Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"can bac hoc snippets" » "can ban hoc snippets", "cac bac hoc snippets", "dan bac hoc snippets", "can bai hoc snippets", "can bac ho 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: (((("can bac hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("can bac hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can bac hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can bac hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.