Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using java code snippets" » "using data code snippets", "using java code slippers"
"cong ho trac snippets" » "cong hoa trac snippets", "cong cho trac snippets", "cong hon trac snippets", "cong hoi trac snippets", "cong pho trach snippets", "cong thi trac snippets", "cong ho trac slippers"

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: "((((\"using java code snippets\") OR (\"cong ho trac snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( using java code snippets ) OR ( cong ho trac snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") OR ("cong ho trac snippets"))) OR ("locating bugs code snippets"))*.