Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac khu chi snippets" » "cac thu chi snippets", "cac khoi chi snippets", "cac kieu chi snippets", "cac khuc thi snippets", "cac thuy chi 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: (((("cac khu chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac khu chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac khu chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac khu chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.