Perhaps you should try some spelling variations:
cac doanh » cac dan, cac dang, van doanh
doanh dai » doanh tai, doanh dao, doanh giai
kho tang » cao tang
hieu van » hieu va, thien van, lieu va
ky tang » ky nang, ky dang, ky trong
van cau » van dau, van hau, van chat
cau tuc » cau truc, cau tu, cau luc
tuc cac » tu cac, tich cac
ma hoi » mai hoi, xa hoi, ma hoa
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: do sanh ((ky tang) OR (kho tang)) ma hoi. hieu van cau tuc cac doanh dai cua tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "do sanh ((ky tang) OR (kho tang)) ma hoi. hieu van cau tuc cac doanh dai cua tu".
• Adding a wildcard symbol may retrieve word variants: do sanh ((ky tang) OR (kho tang)) ma hoi. hieu van cau tuc cac doanh dai cua tu*.