Perhaps you should try some spelling variations:
"danh nha hang slices" » "danh nha ham slices", "danh nhan hang slices", "hanh nha hang slices", "doanh nhan hang slices", "danh nha sang slices", "danh ngan hang slices", "danh nhat hanh slices"
"python using java snippets" » "python using data snippets", "python using java 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: (((("python using java snippets") or ("danh nha hang slices"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("danh nha hang slices"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( danh nha hang slices ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("danh nha hang slices"))) or ("locating bug code snippets"))*.