Perhaps you should try some spelling variations:
tang tai » hang tai, dung tai, sang tao
te sach » toc sach
tai duc » tai cuc, mai duc, tai du
thuc va » thuc dan, thuc day
duc tre » duoc tren, duc tien
sach da » sach dao, sach dat, sach dau
dai hoi » dai hoc, dai hai, dai moi
lai hoi » lai hoa, lai roi, mai hoi
da nang » cam nang, kha nang, cao nang
va nam » van nam, ha nam, va nay

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 da nang ((lai hoi) or (dai hoi)). lieu va nam ((thuc va) OR (thuc vat)) tang tai duc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach da nang ((lai hoi) OR (dai hoi)). lieu va nam ((thuc va) OR (thuc vat)) tang tai duc tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach da nang ((lai hoi) or (dai hoi)). lieu va nam ((thuc va) OR (thuc vat)) tang tai duc tre*".