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