Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cap toi du snippets" » "cac toi du snippets", "cap tai du snippets", "cap voi du snippets", "cap toi uu snippets", "cap tri du snippets", "cap toi da 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: (((("cap toi du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cap toi du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cap toi du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cap toi du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.