Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phu do cay snippets" » "phu doi cay snippets", "khu do cay snippets", "phu da cay snippets", "phu do cao snippets", "phu do 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: (((("phu do 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: (((("phu do cay snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phu do cay snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phu do cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.