Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thay doi ton snippets" » "thay doi tan snippets", "thay doi toi snippets", "thay doi tuong snippets", "tay doi ton snippets", "than doi ton snippets", "thai doi ton 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: (((("thay doi ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thay doi ton snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thay doi ton snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thay doi ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.