Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, tien thanh
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
bang cong » bang song, hang cong, dung cong
dang cong » dung cong
tong cong » trong cong, cong cong, dung cong
manh toan » thanh toan, anh tuan, tinh toan
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 trinh quan ((((bang cong) or (dang cong))) or (tong cong)) manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien nhanh - hanh trinh quan ((((bang cong) OR (dang cong))) OR (tong cong)) manh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien nhanh - hanh trinh quan ((((bang cong) or (dang cong))) or (tong cong)) manh toan ban*.