Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong tuan ho snippets" » "cong tan ho snippets", "cong luan ho snippets", "cong thanh ho snippets", "cong tuan pho snippets", "cong toan ho snippets", "cong xuan ho 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: (((("cong tuan ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong tuan ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong tuan ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong tuan ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.