Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"can khao co snippets" » "van khao co snippets", "can khach co snippets", "luan khao co snippets", "can khac co snippets", "can khao cuu snippets", "can khao noi 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: (((("can khao 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: (((("can khao co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can khao co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can khao co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.