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