Perhaps you should try some spelling variations:
"missing java java slippery" » "missing data java slippery", "using java java slippery", "missing java java slippers"
"vu duong va snippets" » "va duong va snippets", "van duong va snippets", "cau duong va snippets", "vu duong van snippets", "vu dung va snippets", "vu luong va snippets", "vu duong va 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"missing java java slippery\") OR (\"vu duong va snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( missing java java slippery ) OR ( vu duong va snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("missing java java slippery") OR ("vu duong va snippets"))) OR ("locating bug code snippets"))*.