Perhaps you should try some spelling variations:
chat cuu » chat huu, chat cua, cham cuu
hanh vai » hanh vi, hanh va, hanh van
hanh tai » thanh tai, hang tai, han tai
ky tang » ky dang, kho tang, ky trong
dai hoi » dai hoc, dai hai, dai moi
hieu su » hieu sau, tieu su, hieu so
su chat » su phat, du chat, so chat
tu sac » tu sach, tu cac, tu san
cuu va » cuu van, cuu ve
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) or (ky tang)) dai hoi. hieu su chat cuu va ((hanh vai) OR (hanh tai)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ((ky nang) OR (ky tang)) dai hoi. hieu su chat cuu va ((hanh vai) OR (hanh tai)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ((ky nang) or (ky tang)) dai hoi. hieu su chat cuu va ((hanh vai) OR (hanh tai)) cua te".
• Adding a wildcard symbol may retrieve word variants: tu sac ((ky nang) or (ky tang)) dai hoi. hieu su chat cuu va ((hanh vai) OR (hanh tai)) cua te*.