Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi quy vo snippets" » "tai quy vo snippets", "thien quy vo snippets", "thi quynh vo snippets", "thi quy mo snippets", "thi que vo snippets", "thi quy ve 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: (((("thi quy vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi quy vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi quy vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi quy vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.