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