Perhaps you should try some spelling variations:
cao truc » vao truc, cao thuoc, cao trung
ky tang » ky nang, kho tang, ky trong
ky dang » ky nang, ky danh
danh vi » hanh vi, dinh vi, danh di
hieu va » lieu va, hieu qua
va danh » va dinh, va dan, va hanh
tu san » thu san, tu ban, tu can
vi cua » vai cua, di cua
ma hoi » mai hoi, xa hoi, ma hoa
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ((ky tang) or (ky dang)) ma hoi. hieu va ((cao truc) OR (cau truc)) va danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ((ky tang) OR (ky dang)) ma hoi. hieu va ((cao truc) OR (cau truc)) va danh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ((ky tang) or (ky dang)) ma hoi. hieu va ((cao truc) OR (cau truc)) va danh vi cua te".
• Adding a wildcard symbol may retrieve word variants: tu san ((ky tang) or (ky dang)) ma hoi. hieu va ((cao truc) OR (cau truc)) va danh vi cua te*.