Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kien van cnc snippets" » "dien van cnc snippets", "kien va cnc snippets", "kieu van cnc snippets", "kien van cuc snippets", "kien van cong snippets", "kien van canh 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: (((("kien van cnc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kien van cnc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kien van cnc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kien van cnc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.