Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tra do cac snippets" » "tra du cac snippets", "trang do cac snippets", "trao doi cac snippets", "tra o cac snippets", "tra co cac snippets", "tra do cao 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: "((((\"tra do cac snippets\") OR (\"python using java snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( tra do cac snippets ) OR ( python using java snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("tra do cac snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))*.