Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi mu cao snippets" » "khoi su cao snippets", "kho mu cao snippets", "khoi cua cao snippets", "khoi cu cao snippets", "khoi vu cao 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: (((("khoi mu cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoi mu cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi mu cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi mu cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.