Perhaps you should try some spelling variations:
thuat san » thuat toan, thuat song, thuat lanh
nam truoc » nam thuoc, nam truong, nam trung
lam truoc » lam thuoc, lam truong, nam thuoc
nam truc » nam thuc, nam trung, nam thuoc
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
san ky » sang ky, van ky, dan ky
vi cua » vai cua, di cua
cua tu » cua tuc, cua su, cua cu

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 nang xa hoi. hieu va ((((nam truoc) or (nam truc))) or (lam truoc)) va danh vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat san ky nang xa hoi. hieu va ((((nam truoc) OR (nam truc))) OR (lam truoc)) va danh vi cua tu.
• Adding a wildcard symbol may retrieve word variants: thuat san ky nang xa hoi. hieu va ((((nam truoc) or (nam truc))) or (lam truoc)) va danh vi cua tu*.