Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"san cau chap snippets" » "san cau cham snippets", "san cau chan snippets", "san cau phap snippets", "van cau chap snippets", "ban cau chap snippets", "can cau 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: (((("san 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: (((("san cau chap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( san cau chap snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("san cau chap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.