Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"missing data java snippets" » "using data java snippets", "missing java java snippets"
"vi cong va snippets" » "voi cong va snippets", "va cong va snippets", "vu cong va snippets", "vi dong va snippets", "vi cong ha snippets", "vi cong tac snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("missing data java snippets") OR ("vi cong va snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"missing data java snippets\") OR (\"vi cong va snippets\"))) OR (\"locating bug core snippets\"))*".
• Removing quotes may allow a broader search: (((( missing data java snippets ) OR ( vi cong va snippets ))) OR ( locating bug core snippets ))*.