Perhaps you should try some spelling variations:
ve triet » va trien, su triet
van hanh » van thanh, ban hanh, van anh
chat cua » nhat cua, chat va, chat huu
cham cuu » cap cuu
hieu va » lieu va, hieu qua
vu sach » vu bach, su sach, vu khach
hoc anh » hoc nganh, hoc nhanh, ngoc anh
nang xa » nang x, lang xa, nang ma
v nang » va nang, vu nang, van nang
vi ve » va ve, gi ve, ve ve

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) or (hoc anh)) v nang xa hoi. hieu va ((cham cuu) OR (chat cua)) van hanh vi ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (hoc anh)) v nang xa hoi. hieu va ((cham cuu) OR (chat cua)) van hanh vi ve triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sach) or (hoc anh)) v nang xa hoi. hieu va ((cham cuu) OR (chat cua)) van hanh vi ve triet*".