Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lap cao hoc snippets" » "lang cao hoc snippets", "lap khao hoc snippets", "lap co hoc snippets", "lap cho hoc snippets", "lap chat 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: (((("lap cao 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: (((("lap cao hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lap cao hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lap cao hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.