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