Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngoc va dot snippets" » "nuoc va dot snippets", "ngoc ha dot snippets", "goc va dot snippets", "ngoc va doc snippets", "ngoc va do snippets", "ngoc va doi 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: (((("ngoc va dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ngoc va dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngoc va dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngoc va dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.