Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
va hanh » van hanh, va thanh, va danh
hieu ve » hieu va, hieu van
te sach » toc sach
xuc va » duc va, tuc va, luc va
ve cau » ke cau, ve cac, le cau
va cau » van cau, va cac, va dau
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: ((te sach) or (thuat sach)) ky nang x hoi. hieu ve cam xuc va hanh ((ve cau) OR (va cau)) treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thuat sach)) ky nang x hoi. hieu ve cam xuc va hanh ((ve cau) OR (va cau)) treo.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (thuat sach)) ky nang x hoi. hieu ve cam xuc va hanh ((ve cau) OR (va cau)) treo".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thuat sach)) ky nang x hoi. hieu ve cam xuc va hanh ((ve cau) OR (va cau)) treo*.