Perhaps you should try some spelling variations:
xuat tuc » xuat thuc, luat tuc, xuat tu
van xuat » san xuat, va xuat, phan xuat
hieu van » hieu va, thien van, lieu va
su sach » so sach
vu sach » vu bach, vu khach
xa hanh » xa thanh, xa khanh, va hanh
ly nang » ky nang, ly hang, ly vang
vi cua » vai cua, di cua
y nang » ky nang, v nang, may nang
cua cu » cua chu, cua cau, cua su
o hoi » co hoi, o hoc, o hai

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 (vu sach)) ((y nang) OR (ly nang)) o hoi. hieu van xuat tuc xa hanh vi cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) ((y nang) OR (ly nang)) o hoi. hieu van xuat tuc xa hanh vi cua cu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (vu sach)) ((y nang) OR (ly nang)) o hoi. hieu van xuat tuc xa hanh vi cua cu".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) ((y nang) OR (ly nang)) o hoi. hieu van xuat tuc xa hanh vi cua cu*.