Perhaps you should try some spelling variations:
hien khanh » dien khanh, thien thanh, thien chanh
hien nhanh » thien thanh, tien thanh, dien thanh
tong thong » thong thong, dong thong, cong thong
hien hanh » dieu hanh
thong tai » truong tai, thong tin, hang tai
hanh han » hanh nhan, hanh phan, hanh san
cua tong » cua cong, cua dong, cua nong
tai toan » bai toan, tap toan, tai tuan
toan ban » van ban
han cua » hang cua, nhan cua, than cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((((hien khanh) OR (hien hanh))) or (hien nhanh)) - hanh han cua tong thong tai toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((hien khanh) OR (hien hanh))) OR (hien nhanh)) - hanh han cua tong thong tai toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((hien khanh) OR (hien hanh))) or (hien nhanh)) - hanh han cua tong thong tai toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((((hien khanh) OR (hien hanh))) or (hien nhanh)) - hanh han cua tong thong tai toan ban*.