Perhaps you should try some spelling variations:
thuat lanh » thuat lap, thuat san
va dinh » van dinh, va kinh, va tinh
hieu ve » hieu va, hieu van
so sach » so sanh, bo sach, co sach
cac xuc » cam xuc, cac nuoc, chat xuc
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va
vi cau » va cau, ve cau, viet cau
di cau » da cau, diem cau
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: ((so sach) or (thuat lanh)) ky nang x hoi. hieu ve cac xuc va dinh ((vi cau) OR (di cau)) treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (thuat lanh)) ky nang x hoi. hieu ve cac xuc va dinh ((vi cau) OR (di cau)) treo.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) or (thuat lanh)) ky nang x hoi. hieu ve cac xuc va dinh ((vi cau) OR (di cau)) treo".
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (thuat lanh)) ky nang x hoi. hieu ve cac xuc va dinh ((vi cau) OR (di cau)) treo*.