Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nang dang de snippets" » "nang sang de snippets", "nang dong de snippets", "nang hang de snippets", "nang dang deo snippets", "nang dung de snippets", "nang dang do 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: (((("nang dang de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nang dang de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang dang de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang dang de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.