Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
hanh mang » nhanh mang, hanh trang, nhanh lang
nhan dang » nhan dan, phan dang, tran dang
luan dung » lan dung, luan dong, luan hung
cong manh » cong danh, duong manh, hoang manh
chu tinh » chau tinh, chua tinh, cuu tinh
toan tap » toan ban
ho chu » hoi chu, cho chu, ho chua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chu tinh - ((hanh mang) or (nhan dang)) luan dung ((cong manh) OR (cong thanh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chu tinh - ((hanh mang) OR (nhan dang)) luan dung ((cong manh) OR (cong thanh)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chu tinh - ((hanh mang) or (nhan dang)) luan dung ((cong manh) OR (cong thanh)) toan tap".
• Adding a wildcard symbol may retrieve word variants: ho chu tinh - ((hanh mang) or (nhan dang)) luan dung ((cong manh) OR (cong thanh)) toan tap*.