Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat song, thuat lanh
dang xay » dang van, van xay
cam duc » cam xuc, cao duc, pham duc
danh di » danh du, xanh di, danh dien
danh vi » hanh vi, dinh vi, danh va
hieu va » lieu va, hieu qua
hieu ve » hieu van
xay hoi » xa hoi, tay hoi, cay phoi
ty dang » ty xang, ky dang, ty hang
san ty » san tay, van ty
tru » truc

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 ty dang xay hoi. ((hieu ve) or (hieu va)) cam duc va ((danh vi) OR (danh di)) luu tru~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat san ty dang xay hoi. ((hieu ve) OR (hieu va)) cam duc va ((danh vi) OR (danh di)) luu tru.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat san ty dang xay hoi. ((hieu ve) or (hieu va)) cam duc va ((danh vi) OR (danh di)) luu tru".
• Adding a wildcard symbol may retrieve word variants: thuat san ty dang xay hoi. ((hieu ve) or (hieu va)) cam duc va ((danh vi) OR (danh di)) luu tru*.