Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
tien thanh » tien thinh, tran thanh
hanh trung » thanh trung, hanh trang, manh trung
den thanh » de thanh, dinh thanh, dong thanh
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
tuong dan » huong dan, tung dan, xuong dan
toan cao » toan ban
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((tien thanh) OR (den thanh)) - hanh trung cua nhung tuong dan ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tien thanh) OR (den thanh)) - hanh trung cua nhung tuong dan ((toan cao) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((tien thanh) OR (den thanh)) - hanh trung cua nhung tuong dan ((toan cao) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: hoc ((tien thanh) OR (den thanh)) - hanh trung cua nhung tuong dan ((toan cao) or (toan tap))*.