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