Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cung tan moi snippets" » "cung than moi snippets", "cong tan moi snippets", "cung ta moi snippets", "cung ban moi snippets", "cung can moi snippets", "cung tan hoi 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 ("cung tan moi snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cung tan moi snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cung tan moi snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cung tan moi snippets"))) or ("locating bug code snippets"))*.