Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc hanh mot snippets" » "luc canh mot snippets", "luu hanh mot snippets", "duc hanh mot snippets", "luc hanh tot snippets", "luc thanh moi snippets", "luc hanh noi 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: (((("luc hanh mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc hanh mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc hanh mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc hanh mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.