Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
hanh mang » nhanh mang, hanh trang, nhanh lang
bang cong » dang cong, bang song, hang cong
mang cua » manh cua, dung cua, ban cua
cua bang » chua bang, cua ban, cua dang
cong dan » cong san, cong tan, huong dan
hanh tu » danh tu
anh tu » anh tuan

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 mang cua bang cong dan ((hanh tu) or (anh tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien nhanh - hanh mang cua bang cong dan ((hanh tu) OR (anh tu)).
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - hanh mang cua bang cong dan ((hanh tu) or (anh tu))*.