Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh toan
ban thanh » ban hanh, ban hang
ky tang » ky dang, kho tang, ky trong
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
cham so » cham soc, cham o, ham so
cua tre » cuu tre, cua triet, dua tren
su sac » su sach, su cac, su xac
so ban » sao ban, so bang, co ban
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: su sac ((ky tang) or (ky nang)) xa hoi. hieu ve cham so ban thanh phan ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ((ky tang) OR (ky nang)) xa hoi. hieu ve cham so ban thanh phan ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: su sac ((ky tang) or (ky nang)) xa hoi. hieu ve cham so ban thanh phan ((cua tre) or (cua te))*.