Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dan ba hoc snippets" » "dan bac hoc snippets", "dan ca hoc snippets", "dan va hoc snippets", "dan bai hoc snippets", "dan bao hoc 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: "((((\"dan ba hoc snippets\") OR (\"python using java snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( dan ba hoc snippets ) OR ( python using java snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dan ba hoc snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))*.