Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tom cac hoc snippets" » "ton cac hoc snippets", "gom cac hoc snippets", "nom cac hoc snippets", "tom cach hoc snippets", "tom cac hop snippets", "tom bac 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: (((("tom cac 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: (((("tom cac hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tom cac hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tom cac hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.