Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"le trong doi snippets" » "le trong code snippets", "le trung doi snippets", "ly trong doi snippets", "le tang doi snippets"
"using java java snippets" » "using data java 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: "((((\"using java java snippets\") OR (\"le trong doi snippets\"))) OR (\"locating bug code slippers\"))~".
• Removing quotes may allow a broader search: (((( using java java snippets ) OR ( le trong doi snippets ))) OR ( locating bug code slippers ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") OR ("le trong doi snippets"))) OR ("locating bug code slippers"))*.