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