Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac moi mo snippets" » "cac mon mo snippets", "cac toi mo snippets", "cac thoi mo snippets", "cac moi co snippets", "cac mo mo snippets", "cac doi mo 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: (((("cac moi mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac moi mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac moi mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac moi mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.