Perhaps you should try some spelling variations:
thieu quang » hieu quang, thien quan, trien quang
thieu khang » chieu khong
thu sach » tu sach, thuat sach, thuoc sach
nay thuc » nam thuc, cay thuc, day thuc
hanh sai » hanh san, hanh tai, danh sai
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
sai cua » dai cua, hai cua, lai cua
va nay » va ngay, va cay
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: thu sach ((thieu quang) or (thieu khang)) xa hoi. lieu va nay thuc va hanh sai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((thieu quang) OR (thieu khang)) xa hoi. lieu va nay thuc va hanh sai cua te.
• Adding a wildcard symbol may retrieve word variants: thu sach ((thieu quang) or (thieu khang)) xa hoi. lieu va nay thuc va hanh sai cua te*.