Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khac cuoc o2 snippets" » "kham cuoc o2 snippets", "khuat cuoc o2 snippets", "nhan cuoc o2 snippets", "khac cuoc o snippets", "khac cuoc doi 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: (((("khac cuoc o2 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khac cuoc o2 snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khac cuoc o2 snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khac cuoc o2 snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.