Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh dat cong snippets" » "anh dai cong snippets", "anh dam cong snippets", "anh bat cong snippets", "thanh dat cong snippets", "lanh dao cong snippets", "dinh dat 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: (((("anh dat 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: (((("anh dat cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh dat cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh dat cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.