Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
cua thang » cua hang, cua thanh, xua thang
cong doan » cong dan, cong hoan, dong doanh
doan toan » dan toan, doan tuan, doanh hoan
ha thanh » va thanh, pham thanh, phan thanh
toan ban » van ban

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 tang) OR (hanh mang)) ((cua thang) or (ha thanh)) cong doan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien nhanh - ((hanh tang) OR (hanh mang)) ((cua thang) OR (ha thanh)) cong doan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien nhanh - ((hanh tang) OR (hanh mang)) ((cua thang) or (ha thanh)) cong doan toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - ((hanh tang) OR (hanh mang)) ((cua thang) or (ha thanh)) cong doan toan ban*.