Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh bao me snippets" » "trinh dao me snippets", "trinh ban me snippets", "trinh bay me snippets", "trinh bao ve snippets", "trinh ba me snippets", "trinh bo me 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 bao me 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 bao me snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh bao me snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh bao me snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.