Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sang tao dot snippets" » "hang tai dot snippets", "sang tao bot snippets", "sang tao dat snippets", "sang tao doi 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: (((("sang tao dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sang tao dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sang tao dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sang tao dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.