Perhaps you should try some spelling variations:
thuat sac » thuat sach, thuat san, thuat mach
thuat tac » thuat tach, thuat tao, thuat tai
thanh van » thanh san, thanh toan, thanh phan
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
xuc gia » duc gia, luc gia, tuc gia
ca tren » cau tren, cu tren, la tren
van ca » van cau, van cua, dan ca
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: ((thuat sac) OR (thuat tac)) ky nang x hoi. hieu va cac xuc gia thanh van ca tren~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thuat sac) OR (thuat tac)) ky nang x hoi. hieu va cac xuc gia thanh van ca tren".
• Adding a wildcard symbol may retrieve word variants: ((thuat sac) OR (thuat tac)) ky nang x hoi. hieu va cac xuc gia thanh van ca tren*.