Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuoc mat co snippets" » "thuoc ma co snippets", "thuoc bat co snippets", "thuoc tai co snippets", "thuoc vat co snippets", "thuoc mot co 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: (((("thuoc mat co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuoc mat co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuoc mat co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuoc mat co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.