Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khai sat can snippets" » "khao sat can snippets", "khai quat can snippets", "khai sang can snippets", "khai sat cac snippets", "khai bat can snippets", "khai 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: (((("khai 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: (((("khai sat can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khai sat can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khai sat can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.