Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
tham lao » pham lao, tham khao, tham lang
tai cua » thai cua, tai cuc, tri cua
va hanh » van hanh, va thanh, va danh
va tham » van tham, va cham, va thanh
dai hai » dai han, dai tai, dai thao
sach ky » sac ky, sach ty, sach kem
dai hoi » dai hoc, dai moi
cua tre » cua te, cuu tre, cua triet
lao va » tao va, cao va, bao va

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ((sach ky) OR (sach y)) nang ((dai hoi) or (dai hai)). lieu va tham lao va hanh tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach ky) OR (sach y)) nang ((dai hoi) OR (dai hai)). lieu va tham lao va hanh tai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sach ky) OR (sach y)) nang ((dai hoi) or (dai hai)). lieu va tham lao va hanh tai cua tre*".