Perhaps you should try some spelling variations:
ban doanh » van doanh, san doanh, ban danh
cham cuc » cham cuu, pham cuc, pham chuc
cau tren » cu tren, dau tren, ca tren
te sach » toc sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
cuc ban » cua ban, cac ban, cuu ban
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa

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 ly nang ma hoi. hieu ve cham cuc ban doanh tai ((cua tre) or (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ly nang ma hoi. hieu ve cham cuc ban doanh tai ((cua tre) OR (cau tren)).
• Adding a wildcard symbol may retrieve word variants: te sach ly nang ma hoi. hieu ve cham cuc ban doanh tai ((cua tre) or (cau tren))*.