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