Perhaps you should try some spelling variations:
tham soc » cham soc, tham nuoc, thai son
dang xay » dang van, van xay
cau tre » cau tren, cau treo, cau tra
va kinh » va tinh, qua kinh
va dinh » van dinh, va tinh, vu dinh
va tham » van tham, va cham, va thanh
hieu va » lieu va, hieu qua
xay hoi » xa hoi, tay hoi, cay phoi
ky dang » ky nang, ky danh
di cau » da cau, diem cau
ve cac » vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ve cac) or (va cac)) ky dang xay hoi. hieu va tham soc ((va dinh) OR (va kinh)) di cau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ve cac) OR (va cac)) ky dang xay hoi. hieu va tham soc ((va dinh) OR (va kinh)) di cau tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ve cac) or (va cac)) ky dang xay hoi. hieu va tham soc ((va dinh) OR (va kinh)) di cau tre".
• Adding a wildcard symbol may retrieve word variants: ((ve cac) or (va cac)) ky dang xay hoi. hieu va tham soc ((va dinh) OR (va kinh)) di cau tre*.