Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc dat nghe snippets" » "luc day nghe snippets", "luc da nghe snippets", "luc dang nghe snippets", "luc bat nghe snippets", "luc dai nghe snippets", "luc nhat nghe 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: (((("luc dat nghe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc dat nghe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc dat nghe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc dat nghe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.