Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
hanh trung » thanh trung, hanh trang, manh trung
den thanh » dinh thanh, dong thanh, ban thanh
trung van » truong van, trong van, trung va
trong dan » trong dang, trong san, trong tan
de thanh » le thanh
van dung » van dong, xay dung, tin dung
dan phan » doan phan, dan chan, van phan
phan dau » phan tu, hang dau

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) or (((den thanh) OR (de thanh)))) - hanh trung van dung trong dan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien nhanh) OR (((den thanh) OR (de thanh)))) - hanh trung van dung trong dan phan dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien nhanh) or (((den thanh) OR (de thanh)))) - hanh trung van dung trong dan phan dau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien nhanh) or (((den thanh) OR (de thanh)))) - hanh trung van dung trong dan phan dau*.