Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using sat snippets" » "python using data snippets", "python using a snippets", "python using raw snippets"
"manh cua hon snippets" » "doanh cua hon snippets", "ban cua hon snippets", "manh cua hoi snippets", "manh cua hoc snippets", "manh ca hon 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: (((("manh cua hon snippets") or ("python using sat snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("manh cua hon snippets") OR ("python using sat snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( manh cua hon snippets ) or ( python using sat snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("manh cua hon snippets") or ("python using sat snippets"))) or ("locating bugs code snippets"))*.