Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat cheo hoc snippets" » "thuat cheo hoc snippets", "nham cheo hoc snippets", "nhat nheo hoc snippets", "hat cho hoc snippets", "hat co hoc snippets", "hat cheo co 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: (((("hat cheo 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: (((("hat cheo hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat cheo hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat cheo hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.