Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac thanh so snippets" » "bac thanh so snippets", "cach nhanh so snippets", "ban thanh so snippets", "cac thanh son snippets", "cac thanh do snippets", "cac than so 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: (((("python using java snippets") or ("cac thanh so snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cac thanh so snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cac thanh so snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cac thanh so snippets"))) or ("locating bug code snippets"))*.