Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bai le cong snippets" » "bai len cong snippets", "bai te cong snippets", "bai ve cong snippets", "ban le cong snippets", "tai le cong snippets", "bac le cong 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: (((("bai le cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bai le cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bai le cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bai le cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.