Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thay doi vo snippets" » "thay doi voi snippets", "thay doi bo snippets", "thay doi va snippets", "tay doi vo snippets", "than doi vo snippets", "thai doi vo 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 vo 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 vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thay doi vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thay doi vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.