Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan ca hoc snippets" » "tan cua hoc snippets", "tang ca hoc snippets", "dan ca hoc snippets", "tan cao hoc snippets", "tan cac 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: (((("tan ca 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: (((("tan ca hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan ca hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan ca hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.