Perhaps you should try some spelling variations:
luat duoc » luat tuc
dang xay » dang van, van xay
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
dua tren » dung tren
ky dang » ky nang, ky danh
xay hoi » xa hoi, tay hoi, cay phoi
hieu va » lieu va
duoc va » nuoc va, duc va, duoc ma
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky dang xay hoi. ((hieu va) or (hieu qua)) luat duoc va thanh vi ((dua tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky dang xay hoi. ((hieu va) OR (hieu qua)) luat duoc va thanh vi ((dua tren) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: tu cac ky dang xay hoi. ((hieu va) or (hieu qua)) luat duoc va thanh vi ((dua tren) or (cua te))*.