Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
ban thanh » ban hanh, ban hang
vu khach » vu khanh, vu khac, vay khach
cau tren » cu tren, dau tren, ca tren
nang xa » lang xa, nang ma, mang xa
cam thu » nam thu, cac thu, ca thu
thu ban » thu hang
tu sach » thu sach, su sach, te sach
vai cau » va cau, van cau, vai cac
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vu khach) or (tu sach)) ky ((nang xa) or (nang x)) hoi. lieu va cam thu ban thanh vai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu khach) OR (tu sach)) ky ((nang xa) OR (nang x)) hoi. lieu va cam thu ban thanh vai cau tren.
• Adding a wildcard symbol may retrieve word variants: ((vu khach) or (tu sach)) ky ((nang xa) or (nang x)) hoi. lieu va cam thu ban thanh vai cau tren*.