Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
hien nhanh » hien hanh, thien thanh, tien thanh
trung tuan » trung thanh, trung tam, tran tuan
trung cua » truong cua, trung cap, thong cua
tuong dan » huong dan, tung dan, xuong dan
dung cua » dung luan, dung cho
dan toan » van toan, dan than, manh toan
toan cau » 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 ((((trung cua) OR (dung cua))) or (trung tuan)) nhung tuong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien nhanh - hanh ((((trung cua) OR (dung cua))) OR (trung tuan)) nhung tuong dan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien nhanh - hanh ((((trung cua) OR (dung cua))) or (trung tuan)) nhung tuong dan toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - hanh ((((trung cua) OR (dung cua))) or (trung tuan)) nhung tuong dan toan cau*.