Perhaps you should try some spelling variations:
trong chuan » thong chuan, trong chan, trong thuan
hanh trong » hanh trang, anh trong, hinh trong
hien manh » hien hanh, hieu manh, hien nhanh
tien manh » tien anh, tien thanh, tieng anh
xang cong » bang cong, hang cong, nang cong
dang cong » dung cong
anh nhan » danh nhan, doanh nhan, thanh nhan
nhan cua » nhat cua, nhan luc, nhan su

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 manh) or (tien manh)) - hanh trong chuan ((xang cong) OR (dang cong)) anh nhan cua~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien manh) OR (tien manh)) - hanh trong chuan ((xang cong) OR (dang cong)) anh nhan cua.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien manh) or (tien manh)) - hanh trong chuan ((xang cong) OR (dang cong)) anh nhan cua".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien manh) or (tien manh)) - hanh trong chuan ((xang cong) OR (dang cong)) anh nhan cua*.