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