Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kho cau chap snippets" » "kho cau cham snippets", "kho cau chan snippets", "kho cau phap snippets", "kho cam chap snippets", "khoa chau chap snippets", "kho canh chap 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: (((("kho cau chap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kho cau chap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kho cau chap snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kho cau chap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.