Perhaps you should try some spelling variations:
vanh dai » van dai, vanh tai, lanh dao
hoi hoi » hoi hoc, hoc hoi, hoi doi
hieu va » lieu va, hieu qua
va cham » va chat, va tham
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ho hoi » hoc hoi, hoa hoi, co hoi
xuc va » tuc va, luc va, xac va
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 ky nang ((ho hoi) or (hoi hoi)). hieu va cham ((xuc va) OR (duc va)) vanh dai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang ((ho hoi) OR (hoi hoi)). hieu va cham ((xuc va) OR (duc va)) vanh dai cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang ((ho hoi) or (hoi hoi)). hieu va cham ((xuc va) OR (duc va)) vanh dai cua te*".