Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh vai » thanh hai, thanh van, thanh tai
hoc sach » hoc sinh, hoc cac, hoc anh
hieu van » hieu va, thien van, lieu va
vu khach » vu khanh, vu khac, vay khach
tang van » dang van, hoang van, trong van
vai cua » dai cua, hai cua, lai cua
xuc van » duc van, luc van, vuc van
van hoi » van hoa, van hoc, van hoe
van cam » van nam, van lam, van cau
ky tang » ky nang, ky dang, kho tang
vu sach » vu bach, su sach
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc sach) or (((vu sach) OR (vu khach)))) ky tang van hoi. hieu van cam xuc van thanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc sach) OR (((vu sach) OR (vu khach)))) ky tang van hoi. hieu van cam xuc van thanh vai cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc sach) or (((vu sach) OR (vu khach)))) ky tang van hoi. hieu van cam xuc van thanh vai cua te*".