Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang tich he snippets" » "dang tinh he snippets", "nang thich he snippets", "dang dinh he snippets", "dang tich ho snippets", "dang trinh he snippets", "dang tich hop 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: (((("dang tich he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang tich he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang tich he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang tich he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.