Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quanh cac co snippets" » "quang cao co snippets", "qua cac co snippets", "quan cau co snippets", "quanh cac cong 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: (((("quanh cac co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quanh cac co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quanh cac co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quanh cac co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.