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