Perhaps you should try some spelling variations:
ve triet » va trien, su triet
chau tho » chat thom, cau thi, phu tho
chieu ke » hieu ky, hieu ve, hieu kem
va hanh » van hanh, va thanh, va danh
vu sach » vu bach, vu khach
hieu ke » hieu kem, hieu ky, hieu ve
nang xa » nang x, lang xa, nang ma
su sach » so sach
y nang » ky nang, ly nang, v nang
tho va » tho van, tao va, tho ca
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 (su sach)) y nang xa hoi. ((hieu ke) or (chieu ke)) chau tho va hanh vi ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (su sach)) y nang xa hoi. ((hieu ke) OR (chieu ke)) chau tho va hanh vi ve triet.
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (su sach)) y nang xa hoi. ((hieu ke) or (chieu ke)) chau tho va hanh vi ve triet*.