Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chua dien do snippets" » "thuat dien do snippets", "cua dieu do snippets", "thu dien do snippets", "chua bien do snippets", "chua dien da snippets", "chua den do 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: (((("chua dien do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chua dien do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chua dien do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chua dien do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.