Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh dat nghe snippets" » "anh day nghe snippets", "anh da nghe snippets", "anh dang nghe snippets", "thanh dat nghe snippets", "lanh dao nghe snippets", "dinh dat 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: (((("anh 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: (((("anh dat nghe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh dat nghe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh dat nghe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.