Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khai co can snippets" » "phai co can snippets", "khac co can snippets", "khai mo can snippets", "khai cho can snippets", "khai co ban snippets", "khai co dan 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: (((("khai co 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: (((("khai co can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khai co can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khai co can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.