Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nao ban chan snippets" » "nao dan chan snippets", "nao ban than snippets", "nao ban nhan snippets", "tao ban chan snippets", "sao ban chan snippets", "lao ban chan 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 chan 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 chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nao ban chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nao ban chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.