Perhaps you should try some spelling variations:
tran hai » tran bai, tran chau, tran nhat
van tran » van trang, van tranh, van tuan
trang xa » trang va, trang ha, trong xa
cuu tre » cau tren, cau treo
soc van » hoc van, oc van, sac van
cua tre » cua te, cua triet, dua tren
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
tang xa » tang ma, lang xa, tang ha
sac ky » cac ky, sai ky
su sac » su sach, su cac, su xac

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 xa) or (trang xa)) hoi. hieu ve cham soc van tran hai ((cua tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky ((tang xa) OR (trang xa)) hoi. hieu ve cham soc van tran hai ((cua tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky ((tang xa) or (trang xa)) hoi. hieu ve cham soc van tran hai ((cua tre) OR (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: su sac ky ((tang xa) or (trang xa)) hoi. hieu ve cham soc van tran hai ((cua tre) OR (cuu tre))*.