Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi li nghe snippets" » "thi bi nghe snippets", "thi mi nghe snippets", "thi lieu nghe snippets", "thi ly nghe snippets", "thi le nghe snippets", "thi ai 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: (((("thi li 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: (((("thi li nghe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi li nghe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi li nghe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.