Perhaps you should try some spelling variations:
"hap van hoang slices" » "hap van ham slices", "hap van hoan slices", "hap quan hoang slices", "hap tran hoang slices", "phap van hoang slices", "nhap van hoang slices", "tap van hoang slices"
"python using java slippery" » "python using data slippery", "python using java slippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets", "locating bug code slippers"

You may be able to get more results by adjusting your search query.

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