Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"missing java java snippets" » "missing data java snippets", "using java java snippets"
"van hanh va snippets" » "van thanh va snippets", "ban hanh va snippets", "van anh va snippets", "van hang va snippets", "van hanh vi 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 snippets\") OR (\"van hanh va snippets\"))) OR (\"locating bug core snippets\"))~".
• Removing quotes may allow a broader search: (((( missing java java snippets ) OR ( van hanh va snippets ))) OR ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("missing java java snippets") OR ("van hanh va snippets"))) OR ("locating bug core snippets"))*.