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