Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoc tin duc snippets" » "hoc tan duc snippets", "hoc tieng duc snippets", "hoc hien duc snippets", "hoc tinh duc snippets", "hoc tien duc snippets", "hoc ton duc snippets", "hoc tin duc 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: "((((\"hoc tin duc snippets\") OR (\"python using java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( hoc tin duc snippets ) OR ( python using java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("hoc tin duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))*.