Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ben rang cho snippets" » "ben trong cho snippets", "ban trang cho snippets", "banh rang cho snippets", "ben trang cho snippets", "ben sang cho snippets", "ben rong cho 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: (((("ben rang cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ben rang cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ben rang cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ben rang cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.