Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mau van cac snippets" » "ma van cac snippets", "mai van cac snippets", "mao van cac snippets", "mau van hac snippets", "mau van cau snippets", "mau van bac 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: (((("mau van cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mau van cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mau van cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mau van cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.