Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan phat con snippets" » "tuan phat con snippets", "van phat con snippets", "tam phat con snippets", "tan phai con snippets", "tan phau con snippets", "tan phan cong 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 phat con 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 phat con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan phat con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan phat con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.