Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
dia danh » dia ban, gia dinh
su triet » su viet, su tien, ve triet
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
va dinh » van dinh, va kinh, va tinh
va cau » van cau, va cac, va dau
cau tu » dau tu, cau truc
ki su » ky su

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ky nang x ho. hieu va cau tu ((va thanh) or (((dia danh) or (va dinh)))) ki su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky nang x ho. hieu va cau tu ((va thanh) OR (((dia danh) OR (va dinh)))) ki su triet.
• Adding a wildcard symbol may retrieve word variants: vu sach ky nang x ho. hieu va cau tu ((va thanh) or (((dia danh) or (va dinh)))) ki su triet*.