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