Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
danh hai » dang hai, lanh hai, manh hai
ve triet » va trien, su triet
su sach » vu sach
so sach » so sanh, bo sach, co sach
nang xa » nang x, lang xa, nang ma
van hoc » van hoa
hoc tuc » hoc thuc, hoc truc, hoc tu
va danh » va dinh, va dan, va hanh
tuc va » thuc va, truc va, tuc xa
hai ve » hoai ve, hai va, hai vu

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) OR (so sach)) ky nang xa hoi. hieu van hoc tuc va danh hai ve triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (so sach)) ky nang xa hoi. hieu van hoc tuc va danh hai ve triet".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (so sach)) ky nang xa hoi. hieu van hoc tuc va danh hai ve triet*.