Perhaps you should try some spelling variations:
doanh van » doan van, doanh va, doanh ban
tac long » tac dong, ta long, tac trong
hieu van » hieu va, thien van, lieu va
lam duoc » nam duoc, luat duoc, lam thuoc
sach tac » sach bac, sach tai, sach tham
danh vai » danh sai, danh va, dang van
te sach » toc sach
cuu tre » cua tre, cau tren, cau treo
long ha » dong ha, cong ha, dong hoa
ha hoi » hoa hoi, ha noi, xa hoi

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 tac long ha hoi. hieu van ((lam duoc) or (cam xuc)) va ((danh vai) or (doanh van)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tac long ha hoi. hieu van ((lam duoc) OR (cam xuc)) va ((danh vai) OR (doanh van)) cuu tre.
• Adding a wildcard symbol may retrieve word variants: te sach tac long ha hoi. hieu van ((lam duoc) or (cam xuc)) va ((danh vai) or (doanh van)) cuu tre*.