Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi sao do snippets" » "thoi sao do snippets", "tai sao do snippets", "thi hao do snippets", "thi so do snippets", "thi dao do snippets", "thi cao 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: (((("thi sao 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: (((("thi sao do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi sao do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi sao do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.