Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tai cao nghe snippets" » "tai cap nghe snippets", "tai cac nghe snippets", "tai can nghe snippets", "thai cao nghe snippets", "tao cao nghe snippets", "tai sao 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: (((("tai cao 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: (((("tai cao nghe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tai cao nghe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tai cao nghe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.