Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tat phau con snippets" » "dat phu con snippets", "hat chau con snippets", "sat phan con snippets", "tat phai con snippets", "tat phan cong snippets", "tat pham 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: (((("tat phau 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: (((("tat phau con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tat phau con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tat phau con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.