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