Perhaps you should try some spelling variations:
thuat cac » thuat cam, thuat cao, thuat cat
cham tuc » nham thuc, pham thuc, tham thuc
va triet » va thiet, va trien, ve triet
nang xa » lang xa, nang ma, mang xa
hieu va » hieu qua
va hanh » van hanh, va thanh, va danh
hanh tu » anh tu, danh 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: thuat cac ky ((nang xa) OR (nang x)) hoi. ((hieu va) or (lieu va)) cham tuc va hanh tu va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat cac ky ((nang xa) OR (nang x)) hoi. ((hieu va) OR (lieu va)) cham tuc va hanh tu va triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat cac ky ((nang xa) OR (nang x)) hoi. ((hieu va) or (lieu va)) cham tuc va hanh tu va triet".
• Adding a wildcard symbol may retrieve word variants: thuat cac ky ((nang xa) OR (nang x)) hoi. ((hieu va) or (lieu va)) cham tuc va hanh tu va triet*.