Perhaps you should try some spelling variations:
doanh van » doan van, doanh va, doanh ban
dang xay » dang van, van xay
hieu van » hieu va, thien van, lieu va
te sach » toc sach
luc van » luoc van, luu van, duc van
cua tre » cuu tre, cua triet, dua tren
xuc van » duc van, vuc van, xuc ban
sach ky » sac ky, sach y, sach ty
van lam » van nam
xay hoi » xa hoi, tay hoi, cay phoi
ky dang » ky nang, ky danh
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: te sach ky dang xay hoi. hieu van lam ((xuc van) OR (luc van)) doanh van ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky dang xay hoi. hieu van lam ((xuc van) OR (luc van)) doanh van ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky dang xay hoi. hieu van lam ((xuc van) OR (luc van)) doanh van ((cua tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: te sach ky dang xay hoi. hieu van lam ((xuc van) OR (luc van)) doanh van ((cua tre) or (cua te))*.