Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
sung dinh » trung dinh, tuong dinh, dang dinh
cua viet » ca viet, hoa viet, cua vat
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
vai cua » dai cua, hai cua, lai cua
ve cam » ve cham, va cam, ve cai
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: su sach ty nang xa hoi. hieu ((ve cam) OR (ve cac)) sung dinh thanh vai cua viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty nang xa hoi. hieu ((ve cam) OR (ve cac)) sung dinh thanh vai cua viet".
• Adding a wildcard symbol may retrieve word variants: su sach ty nang xa hoi. hieu ((ve cam) OR (ve cac)) sung dinh thanh vai cua viet*.