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