Perhaps you should try some spelling variations:
sach thue » sach thu, sach thieu, sach tham
thue nang » thien nang, thuat nang, thi nang
van tham » van thanh, van tuan, van chat
hanh dai » hanh tai, hanh dao, vanh dai
van cham » van chat, va cham, van pham
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
cao hoi » cau hoi, co hoi, cao hoc
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa

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 thue nang cao hoi. hieu ((van cham) OR (van tham)) ((xuc va) or (tuc va)) hanh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach thue nang cao hoi. hieu ((van cham) OR (van tham)) ((xuc va) OR (tuc va)) hanh dai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach thue nang cao hoi. hieu ((van cham) OR (van tham)) ((xuc va) or (tuc va)) hanh dai cua tre*".