Perhaps you should try some spelling variations:
thanh tung » thanh cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
cua trong » cua truong, cua trung, qua trong
cong luan » tong luan, cong tuan, dong luan
hoc hieu » hoc thieu, hoc hien, doc hieu
tung cua » trung cua, tuong cua, dung cua
phan cau » phan dau, phan tu, phan lap
phan cac » phan dau, phan lap, phan van

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 manh - thanh tung cua trong cong luan ((phan cau) or (((phan cac) OR (nhan cach))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - thanh tung cua trong cong luan ((phan cau) OR (((phan cac) OR (nhan cach)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - thanh tung cua trong cong luan ((phan cau) or (((phan cac) OR (nhan cach))))".
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - thanh tung cua trong cong luan ((phan cau) or (((phan cac) OR (nhan cach))))*.