Perhaps you should try some spelling variations:
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
thuong van » truong van, thuong va, thuong han
hoc chinh » hoan chinh, hoc sinh, hoc kinh
thong van » trong van, thong va, thong quan
cua tong » cua cong, cua dong, cua song
cua nong » cua cong, cuu nong, cua dong
tao cao » bao cao, toan cao

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chinh sach - nhanh tinh ((cua tong) OR (cua nong)) ((thuong van) OR (thong van)) tao cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chinh sach - nhanh tinh ((cua tong) OR (cua nong)) ((thuong van) or (thong van)) tao cao~".
• Adding a wildcard symbol may retrieve word variants: hoc chinh sach - nhanh tinh ((cua tong) OR (cua nong)) ((thuong van) or (thong van)) tao cao*.