Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh hai » thanh phan, thanh hoa, thanh san
hieu van » hieu va, thien van, lieu va
vu khach » vu khanh, vu khac, vay khach
tang mai » tang ma, tang tai, lang mai
tu sach » thu sach, su sach, te sach
hai cua » thai cua, dai cua, hoi cua
xuc van » duc van, luc van, vuc van
mai hoi » mai khoi, dai hoi, lai hoi
nam xuc » cam xuc, nam xua, nam thuc
ky tang » ky nang, ky dang, kho tang
vu sach » vu bach, su sach
cua tu » cua tuc, cua su, cua cu

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

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