Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"day duoc cac snippets" » "da duoc cac snippets", "dat duoc cac snippets", "day doc cac snippets", "day cuoc cach snippets", "day duoc chat snippets", "day duong cac 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: (((("day duoc cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("day duoc cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( day duoc cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("day duoc cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.