Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
hanh hanh » hanh han, xanh hanh, nhanh thanh
cong dang » cong dong, cong dan, cong dung
thanh cau » thanh chau, thanh mau, thanh ca
nhanh cau » nhanh cay, thanh chau, nhanh ha
doc hieu » toc thieu, hoc hien
va trong » va truong, va thong, va tuong
hanh va » hang va, hanh vi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) OR (hoc thieu)) nganh - hanh hanh va trong cong dang ((thanh cau) or (nhanh cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (hoc thieu)) nganh - hanh hanh va trong cong dang ((thanh cau) OR (nhanh cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) OR (hoc thieu)) nganh - hanh hanh va trong cong dang ((thanh cau) or (nhanh cau))".
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) OR (hoc thieu)) nganh - hanh hanh va trong cong dang ((thanh cau) or (nhanh cau))*.