Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tat bao cong snippets" » "tat cao cong snippets", "tat bo cong snippets", "tat vao cong snippets", "tai bao cong snippets", "thuat bao cong snippets", "luat bao 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: (((("tat bao 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: (((("tat bao cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tat bao cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tat bao cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.