Perhaps you should try some spelling variations:
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
hanh tinh » hanh trinh, thanh tinh, canh tinh
dung cong » dung trong
cong dang » cong dong, cong dan, cong dung
dang toan » dang tran, dan toan, dung toan
cua dung » cua dang, cua dong, qua dung
toan ban » van ban
de hieu » doc hieu, dao hieu, dat hieu
he dieu » hoc dieu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((de hieu) or (he dieu)) tang - ((hanh tinh) or (nhanh tinh)) cua dung cong dang toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((de hieu) OR (he dieu)) tang - ((hanh tinh) OR (nhanh tinh)) cua dung cong dang toan ban.
• Adding a wildcard symbol may retrieve word variants: ((de hieu) or (he dieu)) tang - ((hanh tinh) or (nhanh tinh)) cua dung cong dang toan ban*.