Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
thu sach » thuat sach, thuoc sach, thu hoach
dang xay » dang van, van xay
tu sach » su sach, te sach, tu cach
thuc va » thuc vat, thuc dan, thuc day
tai phu » tai khu, thi phu, tri phu
xay hoi » xa hoi, tay hoi, cay phoi
luc va » duc va, tuc va, loc va
y dang » ky dang, 2 dang, _ dang
va cam » va cham, va cac, va cao
tho » thoi, theo

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) or (thu sach)) y dang xay hoi. lieu va cam ((luc va) or (thuc va)) hanh tai phu tho~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) y dang xay hoi. lieu va cam ((luc va) OR (thuc va)) hanh tai phu tho.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) y dang xay hoi. lieu va cam ((luc va) or (thuc va)) hanh tai phu tho*.