Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung phat cu snippets" » "dung phan cu snippets", "dang phat cu snippets", "dung chat cu snippets", "dung phat cua snippets", "dung hat cu snippets", "dung nhat cua 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: (((("dung phat cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung phat cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung phat cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung phat cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.