Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh pho o snippets" » "trinh cho o snippets", "trinh phan o snippets", "trinh chao o snippets", "trinh pho ho snippets", "trinh tho o 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: (((("trinh pho o snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh pho o snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh pho o snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh pho o snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.