Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, hieu ve
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
vu sach » vu bach, su sach, vu khach
xuc van » duc van, luc van, xuc ban
vi cua » vai cua, di cua
cua tu » cua tuc, cua su, cua cu
x hoi » xa hoi, o hoi, x ho

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (vu sach)) ky nang x hoi. ((hieu van) or (lieu va)) cam xuc van hanh vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (vu sach)) ky nang x hoi. ((hieu van) OR (lieu va)) cam xuc van hanh vi cua tu.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (vu sach)) ky nang x hoi. ((hieu van) or (lieu va)) cam xuc van hanh vi cua tu*.