Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
hieu cao » chieu cao, hieu cac, hieu ca
danh dai » danh dau, danh di, danh sai
cua viet » ca viet, hoa viet, cua vat
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
truc va » thuc vat, trung va
thuc va » thuc vat, thuc dan, thuc day

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach ky nang xa hoi. hieu cao chat ((truc va) OR (thuc va)) danh dai cua viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach ky nang xa hoi. hieu cao chat ((truc va) OR (thuc va)) danh dai cua viet".
• Adding a wildcard symbol may retrieve word variants: thuoc sach ky nang xa hoi. hieu cao chat ((truc va) OR (thuc va)) danh dai cua viet*.