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