Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
duc van » duc va, duc tan, duc manh
cua tre » cua te, cuu tre, cua triet
anh hai » lanh hai, manh hai, anh thai
te sach » toc sach
sach ky » sac ky, sach y, sach ty
xuc ban » duc ban, cuc ban, quoc ban
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang xa hoi. hieu ve cac ((xuc ban) or (duc van)) anh hai ((cua tre) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. hieu ve cac ((xuc ban) OR (duc van)) anh hai ((cua tre) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu ve cac ((xuc ban) or (duc van)) anh hai ((cua tre) or (su triet))*.