Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khao con chi snippets" » "khao co chi snippets", "khau cong chi snippets", "khao cuu chi snippets", "khao con chim snippets", "khao cong chi snippets", "khao can chi 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: (((("khao con chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khao con chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khao con chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khao con chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.