Perhaps you should try some spelling variations:
nhanh tinh » nhanh thanh, nhan sinh
hanh trinh » canh tranh, hanh chinh
thon doan » thinh doan, chan doan, thai doan
doan phan » doanh phan, toan phan, dan phan
hoc dieu » hoc thieu, hoc hien
cua nong » cua cong, cuu nong, cua dong
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 dieu hanh - ((nhanh tinh) or (hanh trinh)) cua nong thon doan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc dieu hanh - ((nhanh tinh) OR (hanh trinh)) cua nong thon doan phan cau.
• Adding a wildcard symbol may retrieve word variants: hoc dieu hanh - ((nhanh tinh) or (hanh trinh)) cua nong thon doan phan cau*.