Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac cau song snippets" » "cac cau cong snippets", "cac cau dong snippets", "cac can song snippets", "cac mau song snippets", "bac cau song snippets", "ca cau song 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 cau song 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 cau song snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac cau song snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac cau song snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.