Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cua van da snippets" » "cua ban da snippets", "cua dan da snippets", "cua vat da snippets", "cua van dao snippets", "cua van dau snippets", "cua van dan 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: "((((\"cua van da snippets\") OR (\"python using java snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( cua van da snippets ) OR ( python using java snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("cua van da snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))*.