Perhaps you should try some spelling variations:
thuat lanh » thuat lap, thuat san
luu truc » luu tru, cau truc, huu thuc
cuu thuc » cuu tac
ty nang » ky nang, ty hang, ly nang
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
va hanh » van hanh, va thanh, va danh
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat lanh ((ty nang) or (ty xang)) x hoi. hieu ve pham duc va hanh vi ((luu truc) OR (cuu thuc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat lanh ((ty nang) OR (ty xang)) x hoi. hieu ve pham duc va hanh vi ((luu truc) OR (cuu thuc)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat lanh ((ty nang) or (ty xang)) x hoi. hieu ve pham duc va hanh vi ((luu truc) OR (cuu thuc))".
• Adding a wildcard symbol may retrieve word variants: thuat lanh ((ty nang) or (ty xang)) x hoi. hieu ve pham duc va hanh vi ((luu truc) OR (cuu thuc))*.