Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tac du doc snippets" » "tac dau doc snippets", "cac du doc snippets", "tac da doc snippets", "tac duy doc snippets", "tac du hoc snippets", "tac nu doc 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: (((("tac du doc snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( tac du doc snippets ) or ( python using java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("tac du doc snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.