Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ren duc cong snippets" » "ren duc cuong snippets", "ren dung cong snippets", "ren nuoc cong snippets", "tran duc cong snippets", "dien duc cong snippets", "tien duc cong 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: (((("python using java snippets") or ("ren duc cong snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("ren duc cong snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( ren duc cong snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("ren duc cong snippets"))) or ("locating bug code snippets"))*.