Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac dinh moi snippets" » "xac dinh moi snippets", "cac tinh moi snippets", "cac hinh moi snippets", "cac dinh so snippets", "cac dinh tri snippets", "cac dinh thi 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: (((("cac dinh moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac dinh moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac dinh moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac dinh moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.