Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"than khai ca snippets" » "than khoi ca snippets", "tuan khai ca snippets", "than thoai ca snippets", "than khai cac snippets", "than thai cua snippets", "than khai pha 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: (((("than khai ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("than khai ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( than khai ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than khai ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.