Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nao ban chi snippets" » "tao ban chi snippets", "sao ban chi snippets", "lao ban chi snippets", "nao banh chi snippets", "nao bao chi snippets", "nao ban thi 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: (((("nao ban chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nao ban chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nao ban chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nao ban chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.