Perhaps you should try some spelling variations:
thanh dam » thanh dat, thanh nam, thanh tam
va thanh » gia thanh, ban thanh, va tinh
tu sach » thu sach, su sach, tu cach
dam cua » dai cua, day cua, nam cua
te sach » toc sach
ky hang » ky nang, ly hang, ky dang
thuc va » thuc vat, thuc dan, thuc day
va cam » va cham, va cac, va cai
va cao » va cac, va co, va dao
va hoi » xa hoi, va hoc, va hoa
cua te » cua tu

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 (te sach)) ky hang va hoi. hieu ((va cam) or (va cao)) thuc va thanh dam cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky hang va hoi. hieu ((va cam) OR (va cao)) thuc va thanh dam cua te.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ky hang va hoi. hieu ((va cam) or (va cao)) thuc va thanh dam cua te*.