Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"locating bug core snippets" » "locating bug code snippets"
"van cu code snippets" » "van bug code snippets", "van cfd code snippets", "van cau code snippets", "van chu code snippets", "van cua code 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: "((((\"python using java snippets\") OR (\"van cu code snippets\"))) OR (\"locating bug core snippets\"))~".
• Removing quotes may allow a broader search: (((( python using java snippets ) OR ( van cu code snippets ))) OR ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") OR ("van cu code snippets"))) OR ("locating bug core snippets"))*.