Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac hat hon snippets" » "cac chat hon snippets", "cac hoat hon snippets", "cau hat hon snippets", "cac hat mon snippets", "cac hay hon snippets", "cac hat nhan 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 hat hon 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 hat hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac hat hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac hat hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.