Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
ban thuc » ban thuoc, dan thuc, van thuc
tu sach » thu sach, su sach, te sach
lang ha » long ha
thi van » thi lan, thi hanh, thi nang
thuc va » thuc vat, thuc dan, thuc day
van tai » van tuan
cua tre » cua te, cuu tre, cua triet
sach o » sach lo, sac o, sach y
o lang » hoa lang, hoi lang
ha hoi » hoa hoi, ha noi, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach o lang ha hoi. thi van ban thuc va ((hanh tai) or (((van tai) or (von tai)))) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach o lang ha hoi. thi van ban thuc va ((hanh tai) OR (((van tai) OR (von tai)))) cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach o lang ha hoi. thi van ban thuc va ((hanh tai) or (((van tai) or (von tai)))) cua tre*.