Perhaps you should try some spelling variations:
nhanh hang » nhanh thang, nhanh lang, thanh hang
hien hanh » dieu hanh
dung cong » dung trong
tien anh » tieng anh, tien manh, dien anh
hang cua » mang cua, hang ca, huong cua
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
phan cau » phan dau, phan cac, phan tu

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 anh) or (hien hanh)) - nhanh hang cua dung cong tan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tien anh) OR (hien hanh)) - nhanh hang cua dung cong tan phan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((tien anh) or (hien hanh)) - nhanh hang cua dung cong tan phan cau*.