Perhaps you should try some spelling variations:
cham duc » pham duc, cham soc, pham duy
van hanh » van thanh, ban hanh, van anh
hanh hai » thanh hai, nhanh hai, hang hai
duc van » duc va, duc tan, duc manh
cua tre » cua triet, dua tren, cua thep
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
cuu tre » cau tren, cau treo
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
cua te » cua tu

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

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