Perhaps you should try some spelling variations:
"van van tham slices" » "van van ham slices", "van van thanh slices", "van van tuan slices", "van van chat slices", "van ban tham slices", "tan van tham slices", "san van tham 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 van tham 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 van tham slices"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( van van tham slices ))) or ( locating bug code snippets ))*.