Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"muc dan canh snippets" » "muc van canh snippets", "muc dan cach snippets", "muc dan hanh snippets", "tuc dan canh snippets", "mua dan canh snippets", "duc dan canh 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 dan canh 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 dan canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( muc dan canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("muc dan canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.