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