Perhaps you should try some spelling variations:
dau tren » dau tien, dat tren, dau tieng
thanh vi » hanh vi, thanh va, thanh ve
dang xay » dang van, van xay
toc sac » toc sach, toc san, hoc sach
va cham » va tham
xay hoi » xa hoi, tay hoi, cay phoi
ky dang » ky nang, ky danh
va chat » van chat, va phat, cao chat
sac ky » cac ky, sai ky
luc va » tuc va, loc va
vi dau » vi dai, va dau, bi dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sac ky dang xay hoi. lieu ((va cham) OR (va chat)) ((duc va) OR (luc va)) thanh vi dau tren~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sac ky dang xay hoi. lieu ((va cham) OR (va chat)) ((duc va) OR (luc va)) thanh vi dau tren".
• Adding a wildcard symbol may retrieve word variants: toc sac ky dang xay hoi. lieu ((va cham) OR (va chat)) ((duc va) OR (luc va)) thanh vi dau tren*.