Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan nu doc snippets" » "nhan ngu doc snippets", "nhan su doc snippets", "nhan xu doc snippets", "nhan n1 doc snippets", "nhan n2 doc snippets", "nhan n3 doc 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: (((("python using java snippets") or ("nhan nu doc snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("nhan nu doc snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( nhan nu doc snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("nhan nu doc snippets"))) or ("locating bug code snippets"))*.