Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hien hanh » dieu hanh
hanh tinh » nhanh tinh, thanh tinh, canh tinh
thon doan » thinh doan, chan doan, thai doan
doan phan » doanh phan, toan phan, dan phan
cua nong » cua cong, cua dong, cua song
cuu nong » cuu cong, cuu nang, cuu tong
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 hien hanh - ((hanh tinh) or (hanh trinh)) ((cua nong) OR (cuu nong)) thon doan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - ((hanh tinh) OR (hanh trinh)) ((cua nong) OR (cuu nong)) thon doan phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien hanh - ((hanh tinh) or (hanh trinh)) ((cua nong) OR (cuu nong)) thon doan phan cau".
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - ((hanh tinh) or (hanh trinh)) ((cua nong) OR (cuu nong)) thon doan phan cau*.