Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong dinh le snippets" » "dong kinh le snippets", "dang dinh le snippets", "dong ninh le snippets", "dong dinh ve snippets", "dong dinh ly snippets", "dong dinh ket 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: (((("dong dinh le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong dinh le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong dinh le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong dinh le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.