Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
tong tuong » trong tuong, tuong tuong, tong thuong
hanh hinh » hanh chinh, hanh tinh, hanh dinh
tuong dan » huong dan, tung dan, xuong dan
hinh cua » chinh cua, sinh cua, tinh cua
cua tong » cua cong, cua dong, cua nong
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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 nhanh - hanh hinh cua tong tuong dan toan cao~.
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - hanh hinh cua tong tuong dan toan cao*.