Perhaps you should try some spelling variations:
manh trung » manh tung, thanh trung, manh hung
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
hoc tieu » hoc thieu, hoc sieu, hoc tieng
hoc dieu » hoc thieu, hoc hien
ran cau » ban cau, can cau, tran chau
van cau » van dau, van hau, van chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc tieu) OR (hoc dieu)) tinh - manh trung cua nhung cong thanh ((ran cau) or (van cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc tieu) OR (hoc dieu)) tinh - manh trung cua nhung cong thanh ((ran cau) OR (van cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc tieu) OR (hoc dieu)) tinh - manh trung cua nhung cong thanh ((ran cau) or (van cau))".
• Adding a wildcard symbol may retrieve word variants: ((hoc tieu) OR (hoc dieu)) tinh - manh trung cua nhung cong thanh ((ran cau) or (van cau))*.