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