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