Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chon kham da snippets" » "chon tham da snippets", "phong kham da snippets", "chong tham da snippets", "chon kham pha 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: (((("chon kham da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chon kham da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chon kham da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chon kham da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.