Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
hoc thien » hoc hien, hoc thieu, hoc thiet
hanh hang » thanh hang, hang hang, hanh han
cam nhung » cam hung, nam nhung, tham nhung
ca nhung » cua nhung, va nhung, ca nung
cong san » cong tac
san tuan » van tuan, san luan, san quan
tuan ban » tuan bang, toan ban, luan 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 thien hach - hanh hang ((ca nhung) OR (cam nhung)) cong san tuan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien hach - hanh hang ((ca nhung) OR (cam nhung)) cong san tuan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - hanh hang ((ca nhung) OR (cam nhung)) cong san tuan ban*.