Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chon moi he snippets" » "cho moi he snippets", "chon mot he snippets", "thon moi he snippets", "chon moi ve snippets", "chon moi ke snippets", "chon moi de 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 moi he 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 moi he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chon moi he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chon moi he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.