Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bugs code snippets", "locating bug code slippers"
"using java java snippets" » "using data java snippets"
"van duong van snippets" » "van dong van snippets", "van dung van snippets", "van phong van snippets", "van duong va snippets", "van luong va snippets", "van dang van snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using java java snippets") OR ("van duong van snippets"))) OR ("locating bugs code slippers"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using java java snippets\") OR (\"van duong van snippets\"))) OR (\"locating bugs code slippers\"))".
• Removing quotes may allow a broader search: (((( using java java snippets ) OR ( van duong van snippets ))) OR ( locating bugs code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") OR ("van duong van snippets"))) OR ("locating bugs code slippers"))*.