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