Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh dao do snippets" » "trinh do do snippets", "trinh da do snippets", "trinh dan do snippets", "trinh dao o snippets", "trinh dao ho snippets", "trinh dao dong 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 dao do 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 dao do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh dao do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh dao do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.