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"
"hang dan thi snippets" » "hang dau thi snippets", "hang ban thi snippets", "tang dan thi snippets", "hang dang thi snippets", "hang tran thi snippets", "hang dinh thi snippets", "hang dan thi 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 (\"hang dan thi snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( using java code snippets ) OR ( hang dan thi snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") OR ("hang dan thi snippets"))) OR ("locating bugs code snippets"))*.