Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
thien van » thi van
nam nuoc » nam duoc, nam buoc, nam nuoi
va thanh » gia thanh, ban thanh, va tinh
ky dang » ky nang, ky danh
cua tre » cua te, cuu tre, cua triet
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
ca hoi » cua hoi, xa hoi, co hoi
cua tu » cua tuc, cua su, cua cu

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 ((ca hoi) OR (cau hoi)). thien van nam nuoc va thanh toan ((cua tre) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky dang ((ca hoi) OR (cau hoi)). thien van nam nuoc va thanh toan ((cua tre) OR (cua tu))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky dang ((ca hoi) OR (cau hoi)). thien van nam nuoc va thanh toan ((cua tre) or (cua tu))*".