Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao cho thue snippets" » "cao choi thuc snippets", "cao cuc thue snippets", "cap cho thue snippets", "cao chat thue 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: (((("cao cho thue snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cao cho thue snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao cho thue snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao cho thue snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.