Perhaps you should try some spelling variations:
thieu hang » thieu khang, thieu quang, thi hang
cua triet » cua viet, su triet, va triet
toc sach » hoc sach, doc sach, thuoc sach
hanh lam » thanh lap, hanh kem, hanh va
hang ca » hang va, nang cao, hang tai
hieu va » lieu va, hieu qua
lam cua » nam cua, lam chat
ca hoi » cau hoi, cua hoi, xa hoi
va cao » va cac, va co, va dao
tuc va » thuc va, truc va, duc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach thieu hang ca hoi. hieu va cao ((tuc va) or (tuc xa)) hanh lam cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach thieu hang ca hoi. hieu va cao ((tuc va) OR (tuc xa)) hanh lam cua triet.
• Adding a wildcard symbol may retrieve word variants: toc sach thieu hang ca hoi. hieu va cao ((tuc va) or (tuc xa)) hanh lam cua triet*.