Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chu hang ca snippets" » "chu han ca snippets", "thu hang ca snippets", "cho hang ca snippets", "chu hang va snippets", "chu nang cao snippets", "chu hang tai 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 ca 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 ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chu hang ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu hang ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.