Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
cua triet » su triet, va triet
va thanh » gia thanh, ban thanh, va tinh
cua viet » hoa viet, cua vat, cua dieu
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
bac tuc » bac tu, bach tuoc, bac thua
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
ca viet » va viet, co viet, hoa viet
tuc va » thuc va, truc va, tuc xa
va bac » van bac, va cac, va bai

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 ky nang xa hoi. hieu va bac tuc va thanh tai ((cua triet) or (((cua viet) OR (ca viet))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. hieu va bac tuc va thanh tai ((cua triet) OR (((cua viet) OR (ca viet)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. hieu va bac tuc va thanh tai ((cua triet) or (((cua viet) OR (ca viet))))".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. hieu va bac tuc va thanh tai ((cua triet) or (((cua viet) OR (ca viet))))*.