Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chu hang son snippets" » "chu han son snippets", "thu hang son snippets", "cho hang son snippets", "chu hoang son snippets", "chu lang son snippets", "chu hang ton 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: (((("chu hang son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chu hang son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chu hang son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu hang son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.