Perhaps you should try some spelling variations:
thanh dan » thanh san, thanh van, thanh dat
hieu van » hieu va, thien van, lieu va
thu san » thuy san, thu ban, phu san
nang xa » nang x, lang xa, nang ma
van cam » van nam, van lam, van cau
thuc va » thuc vat, thuc dan, thuc day
cua tu » cua tuc, cua su, cua te
cua cu » cua chu, cua cau, cua su
san ky » sang ky, van ky, dan ky
tuc va » truc va, tuc xa, duc va

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

• If you are trying to use Boolean operators, they must be ALL CAPS: thu san ky nang xa hoi. hieu van cam ((tuc va) OR (thuc va)) thanh dan ((cua tu) OR (cua cu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu san ky nang xa hoi. hieu van cam ((tuc va) or (thuc va)) thanh dan ((cua tu) OR (cua cu))~".
• Adding a wildcard symbol may retrieve word variants: thu san ky nang xa hoi. hieu van cam ((tuc va) or (thuc va)) thanh dan ((cua tu) OR (cua cu))*.