Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho nguoi di snippets" » "cua nguoi di snippets", "cho nguoi do snippets", "cho nguoi dao snippets", "cho nguoi moi 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: (((("cho nguoi di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho nguoi di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho nguoi di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho nguoi di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.