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