Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"da dang danh snippets" » "da dang dinh snippets", "da dang hanh snippets", "da yang danh snippets", "da nang danh snippets", "cao dang danh snippets", "dia danh danh snippets", "da dang danh slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("da dang danh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("da dang danh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( da dang danh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("da dang danh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.