Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
hoc thiet » hoc thieu, hoc thuyet, hoc hien
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
cua khong » hua khong, cua phuong, cua thuong
ho thiet » hoa thiet, so thiet, hoc thieu
tinh cua » trinh cua, sinh cua, tinh chat
cong tan » cong tac, cong san, cong thanh
tan ran » tan tran, tan van, tan san
ran cau » van cau, ban cau, can cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho thiet) OR (hoc thiet)) tach - hanh tinh cua khong cong tan ran cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho thiet) OR (hoc thiet)) tach - hanh tinh cua khong cong tan ran cau*".