Perhaps you should try some spelling variations:
"luong java java snippets" » "luong va java snippets"
"phan lam dong snippets" » "phang lam dong snippets", "phan lap dong snippets", "phan lan dong snippets", "phan lao dong snippets", "phan lam sang snippets", "phan ha dong snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: "((((\"luong java java snippets\") OR (\"phan lam dong snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( luong java java snippets ) OR ( phan lam dong snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("luong java java snippets") OR ("phan lam dong snippets"))) OR ("locating bug code snippets"))*.