Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau den nghe snippets" » "cau dang nghe snippets", "cau benh nghe snippets", "cau van nghe snippets", "cap den nghe snippets", "cau de nghe snippets", "hau den 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: (((("cau den 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: (((("cau den nghe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau den nghe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau den nghe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.