Perhaps you should try some spelling variations:
doanh van » doan van, doanh va, doanh ban
nang xa » nang x, lang xa, nang ma
truc va » thuc va, thuc vat, trung va
van cuu » van cau, van chu, van cu
cuu tre » cua tre, cau tren, cau treo
le cau » le mau, le cap
ke cau » ket cau
tuc va » thuc va, tuc xa, duc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky nang xa hoi. hieu ((le cau) or (ke cau)) ((tuc va) OR (truc va)) doanh van cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang xa hoi. hieu ((le cau) OR (ke cau)) ((tuc va) OR (truc va)) doanh van cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang xa hoi. hieu ((le cau) or (ke cau)) ((tuc va) OR (truc va)) doanh van cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang xa hoi. hieu ((le cau) or (ke cau)) ((tuc va) OR (truc va)) doanh van cuu tre*.