Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi thong do snippets" » "thi thuong do snippets", "thi hong do snippets", "thi khong do snippets", "thi thong o snippets", "thi thong co snippets", "thi thong mo 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 thong do 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 thong do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi thong do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi thong do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.