Perhaps you should try some spelling variations:
nghiep nganh » nghiep thanh, nghiep ninh, nghiep anh
thanh trung » thanh tung
hieu nganh » vien nganh, hiem ngan
hieu manh » chieu xanh, dieu hanh, hien hanh
trung cua » truong cua, trung tuan, trung cap
nang cong » nang song, dang cong, bang cong
cong sang » cong san, cong lang, cong vang
cua nang » chua nang, cua dang, cua hang
sang tao » hang tai
tao cau » tao cu, tao cao, tao sau

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