Perhaps you should try some spelling variations:
chai thoi » chi thoi, chuoi thoi, chat thai
chat quoc » chuan quoc, thuat quoc, han quoc
chai hoi » cham hoi, chai khoa, cau hoi
quoc ban » quoc bao, quoc lan, quoc quan
hanh vai » hanh vi, hanh va, hanh van
hanh tai » thanh tai, hang tai, han tai
hieu va » lieu va, hieu qua
va chat » van chat, va phat, cao chat
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 cac ky nang ((chai hoi) or (chai thoi)). hieu va chat quoc ban ((hanh vai) or (hanh tai)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang ((chai hoi) OR (chai thoi)). hieu va chat quoc ban ((hanh vai) OR (hanh tai)) cua te.
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang ((chai hoi) or (chai thoi)). hieu va chat quoc ban ((hanh vai) or (hanh tai)) cua te*.