Perhaps you should try some spelling variations:
"van cac hoat slices" » "van cac ham slices", "van cao hoat slices", "van cac hat slices", "van cac khoan slices", "van hac hoat slices", "van cau hoat slices", "van bac hoat 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"

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 ("van cac hoat slices"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("van cac hoat slices"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( van cac hoat slices ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("van cac hoat slices"))) or ("locating bug code snippets"))*.