Perhaps you should try some spelling variations:
doanh ban » doanh bat, doanh van, doanh nhan
thien van » thi van
bac truc » bac trung, sach truc, cau truc
va doanh » van doanh, vay doanh, va danh
dang xay » dang van, van xay
te sach » toc sach
ban cuu » ban cua, ban cau, ban muu
ba truc » cau truc, ba trung, dai truc
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
cuu tre » cua tre, cau tren, cau treo

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 ky ((nang xa) or (dang xay)) hoi. thien van ((bac truc) OR (ba truc)) va doanh ban cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((nang xa) OR (dang xay)) hoi. thien van ((bac truc) OR (ba truc)) va doanh ban cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky ((nang xa) or (dang xay)) hoi. thien van ((bac truc) OR (ba truc)) va doanh ban cuu tre*".