Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nang dan ke snippets" » "nang danh ke snippets", "nong dan ke snippets", "nang dau ke snippets", "nang dan ky snippets", "nang dan ve snippets", "nang ban ke 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 dan ke 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 dan ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang dan ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang dan ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.