Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nha hanh de snippets" » "nhat hanh de snippets", "nha thanh de snippets", "nha lanh de snippets", "nha hanh ve snippets", "nha hanh kem 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: (((("nha hanh 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: (((("nha hanh de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nha hanh de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nha hanh de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.