Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"buoc chao do snippets" » "buoc chan do snippets", "duoc chat do snippets", "nuoc cho do snippets", "buoc cao do snippets", "buoc chat doc snippets", "buoc chau doc 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: (((("buoc chao 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: (((("buoc chao do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( buoc chao do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("buoc chao do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.