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