Perhaps you should try some spelling variations:
thuat lanh » thuat lap, thuat san
luan thu » luan thuc, tuan thu, luan thi
lanh ty » lanh tu, canh tay, lanh tho
ty nang » ky nang, ty xang, ty hang
hieu ve » hieu va, hieu van
cam duc » cam xuc, cao duc, pham duc
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
lan thu » van thu, luan thuc, dan thuc
ve cam » ve cham, ve cac, va cam
x hoi » xa hoi, o hoi, 5 hoi

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