Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh du chi snippets" » "trinh duc chi snippets", "trinh dau chi snippets", "trinh duy chi snippets", "trinh cu chi snippets", "trinh di chi 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 du chi 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 du chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh du chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh du chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.