Perhaps you should try some spelling variations:
bieu hien » dieu hien, dieu khien, bien phien
dang xay » dang van, van xay
hien cac » thien cac, vien cac, hieu cac
van hanh » van thanh, ban hanh, van anh
hanh dai » hanh tai, hanh dao, vanh dai
ky dang » ky nang, ky danh
xay hoi » xa hoi, tay hoi, cay phoi
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
cua tu » cua tuc, cua su, cua te
cua cu » cua chu, cua cau, cua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky dang xay hoi. bieu hien cac vi van hanh dai ((cua tu) or (cua cu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky dang xay hoi. bieu hien cac vi van hanh dai ((cua tu) OR (cua cu))*.