Perhaps you should try some spelling variations:
nang tai » hang tai, tang tai, sang tai
van tham » van thanh, van tuan, van chat
hang ke » thong ke, hanh kem, nhung ke
hang ve » hang va, hanh ve, hang vi
te sach » toc sach
hoc ban » hoc bang, hoc dan, hoc bai
sach ky » sac ky, sach y, sach ty
tai hoi » tai khoi, dai hoi, tai hai
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang tai hoi. hieu ((cao chat) or (van tham)) hoc ban ((hang ve) OR (hang ke)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang tai hoi. hieu ((cao chat) OR (van tham)) hoc ban ((hang ve) OR (hang ke)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang tai hoi. hieu ((cao chat) or (van tham)) hoc ban ((hang ve) OR (hang ke)) cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang tai hoi. hieu ((cao chat) or (van tham)) hoc ban ((hang ve) OR (hang ke)) cua tre*.