Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
thuc va » thuc vat, thuc dan, thuc day
van cua » vang cua, ban cua, dan cua
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
truc va » thuc vat, trung va
tu sac » tu cac, tu san, tu bac
va cam » va cham, va cac, va cao
cua te » cua tu

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: ((tu sac) OR (tu sach)) ky nang xa hoi. hieu va cam ((truc va) OR (thuc va)) thanh van cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) or (tu sach)) ky nang xa hoi. hieu va cam ((truc va) OR (thuc va)) thanh van cua te~".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu sach)) ky nang xa hoi. hieu va cam ((truc va) OR (thuc va)) thanh van cua te*.