Perhaps you should try some spelling variations:
thuat sac » thuat sach, thuat san, thuat tac
thien van » thi van
van cham » van chat, van tham, va cham
cham tuc » nham thuc, pham thuc, tham thuc
dinh dau » dinh dat, dinh du, danh dau
nang xa » nang x, lang xa, mang xa
nang ma » tang ma, sang ma, nang cao
va dinh » van dinh, va kinh, va tinh
dau cua » dai cua, day cua, cau cua
cua tre » cua te, cuu tre, cua triet
sac ky » cac ky, sai ky
tuc va » thuc va, truc va, tuc xa

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 ky ((nang xa) or (nang ma)) hoi. thien van cham tuc va dinh dau cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sac ky ((nang xa) OR (nang ma)) hoi. thien van cham tuc va dinh dau cua tre.
• Adding a wildcard symbol may retrieve word variants: thuat sac ky ((nang xa) or (nang ma)) hoi. thien van cham tuc va dinh dau cua tre*.