Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bug code slippers"
"using java java snippets" » "using data java snippets"
"vat dung code snippets" » "vat dung cong snippets", "vat dung co snippets", "vat dung de snippets", "van dung code snippets", "va dung code snippets", "viet dung code snippets"

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

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