Perhaps you should try some spelling variations:
thanh trung » thanh tung
hoc chieu » hoc thieu, ho chieu, hoc dieu
trung cao » truong cao, trung cap, trung co
nang cong » nang song, dang cong, bang cong
cao nang » cao dang, cam nang, cao tang
cong dan » cong san, cong tan, huong dan
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) or (hoc hien)) sach - thanh trung cao nang cong dan ((phan cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc hien)) sach - thanh trung cao nang cong dan ((phan cau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (hoc hien)) sach - thanh trung cao nang cong dan ((phan cau) or (phan cac))*.