Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat song, thuat lanh
cua viet » ca viet, hoa viet, cua dieu
hanh di » hanh vi, hanh de, hang di
thuc va » thuc vat, thuc dan, thuc day
truc va » thuc vat, trung va
hieu va » lieu va, hieu qua
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh
san ky » sang ky, van ky, dan ky
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat san ky dang xa hoi. hieu va cam ((truc va) OR (thuc va)) hanh di ((cua viet) or (cua vat))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat san ky dang xa hoi. hieu va cam ((truc va) OR (thuc va)) hanh di ((cua viet) OR (cua vat))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat san ky dang xa hoi. hieu va cam ((truc va) OR (thuc va)) hanh di ((cua viet) or (cua vat))*".