Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
tuong cua » truong cua, huong cua, thong cua
cua trong » cua truong, cua trung, qua trong
hoc hieu » hoc thieu, hoc hien, hoc dieu
doc hieu » toc thieu, hoc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
chan cau » can cau, chinh cau, nhanh cau
phan cau » phan dau, phan cac, phan tu

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

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