Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tan van oc snippets" » "tran van oc snippets", "tang van oc snippets", "luan van oc snippets", "tan van hoc snippets", "tan van loc snippets", "tan van ngoc snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tan van oc snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( tan van oc snippets ) or ( python using java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("tan van oc snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.