Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dau chi ca snippets" » "dau khi ca snippets", "du chi ca snippets", "dau cuoi ca snippets", "dau chi cua snippets", "dau chim ca snippets", "dau chi a 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: (((("dau chi ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dau chi ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dau chi ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dau chi ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.