Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bai trong vo snippets" » "bi trong vo snippets", "tai trong vo snippets", "bui trong vo snippets", "bai trong va snippets", "bai trong co snippets", "bai tuong 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: (((("bai trong 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: (((("bai trong vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bai trong vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bai trong vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.