Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"missing data java snippets" » "using data java snippets", "missing java java snippets", "missing data java slippers"
"vi hanh va snippets" » "vi thanh va snippets", "va hanh va snippets", "ve hanh va snippets", "vi hang va snippets", "vi hanh vi snippets", "vi hanh va slippers"

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 data java snippets\") OR (\"vi hanh va snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( missing data java snippets ) OR ( vi hanh va snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("missing data java snippets") OR ("vi hanh va snippets"))) OR ("locating bugs code snippets"))*.