Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
cham tuc » nham thuc, pham thuc, tham thuc
hanh vai » hanh vi, hanh va, hanh tai
tu cach » tu cac
nang xa » lang xa, nang ma, mang xa
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
va cham » va chat, va tham
cua te » cua tu
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: ((tu cach) or (thuat sach)) ky ((nang xa) OR (nang x)) hoi. lieu va cham tuc va hanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (thuat sach)) ky ((nang xa) OR (nang x)) hoi. lieu va cham tuc va hanh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (thuat sach)) ky ((nang xa) OR (nang x)) hoi. lieu va cham tuc va hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (thuat sach)) ky ((nang xa) OR (nang x)) hoi. lieu va cham tuc va hanh vai cua te*.