Perhaps you should try some spelling variations:
cham tuc » nham thuc, pham thuc, tham thuc
thai cua » than cua, tai cuc, tri cua
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va hanh » van hanh, va thanh, va danh
hoi cua » hoi chuc
tu can » tu ban, tu cac, thu canh
can ky » van ky, dan ky, ban ky
ma hoi » mai hoi, xa hoi, ma hoa
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 can ky nang ma hoi. hieu ve cham tuc va hanh ((((thai cua) or (dai cua))) or (hoi cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu can ky nang ma hoi. hieu ve cham tuc va hanh ((((thai cua) OR (dai cua))) OR (hoi cua)) tre.
• Adding a wildcard symbol may retrieve word variants: tu can ky nang ma hoi. hieu ve cham tuc va hanh ((((thai cua) or (dai cua))) or (hoi cua)) tre*.