Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha nu doi snippets" » "phu nu doi snippets", "pha du doi snippets", "pham ngu doi snippets", "pha neu doi snippets", "pha tu doi snippets", "pha nu doc 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: (((("pha nu doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha nu doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha nu doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha nu doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.