Perhaps you should try some spelling variations:
vanh dai » van dai, vanh tai, lanh dao
cham tuc » nham thuc, pham thuc, tham thuc
hoi hoi » hoi hoc, hoc hoi, hoi doi
va vanh » va van, va danh, va hanh
va cham » va chat, va tham
hieu va » lieu va, hieu qua
tuc va » thuc va, truc va, tuc xa
tu sac » tu sach, tu cac, tu bac
ho hoi » hoc hoi, hoa hoi, co hoi
tu san » thu san, tu ban, tu can
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sac) OR (tu san)) ky nang ((ho hoi) or (hoi hoi)). hieu va cham tuc va vanh dai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu san)) ky nang ((ho hoi) OR (hoi hoi)). hieu va cham tuc va vanh dai cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) OR (tu san)) ky nang ((ho hoi) or (hoi hoi)). hieu va cham tuc va vanh dai cua te*".