Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mon cao so snippets" » "mon bao so snippets", "toan cao so snippets", "mong cai so snippets", "mon cao son snippets", "mon co so snippets", "mon cao su 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: (((("mon cao so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mon cao so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mon cao so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mon cao so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.