Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hao ke cho snippets" » "hao le cho snippets", "hat ke cho snippets", "hao kiet cho snippets", "hao keo cho snippets", "hao ke che snippets", "hao ke co 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: (((("hao ke cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hao ke cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hao ke cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao ke cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.