Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mau hanh he snippets" » "mau han he snippets", "mau hinh he snippets", "mau xanh he snippets", "mau hanh che snippets", "mau hanh ve snippets", "mau hanh de 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 hanh he 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 hanh he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mau hanh he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mau hanh he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.