Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
thieu sach » chieu sach, hieu cach, thieu cac
manh trung » manh tung, thanh trung, manh hung
trung tuan » trung thanh, trung tam, tran tuan
cong quang » luong quang, thong quang, duong quang
quang hanh » quang thanh, quang khanh, quan hanh
theo sach » thuoc sach, te sach, theo lich
tuan hang » tuan hoang, tuan bang, tuan dang
hang cong » dang cong, hang nong, bang cong
hanh cau » nhanh cau, hang cau, hanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((((thieu sach) or (theo sach))) or (thien hach)) - manh trung tuan hang cong quang hanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thieu sach) OR (theo sach))) OR (thien hach)) - manh trung tuan hang cong quang hanh cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((((thieu sach) or (theo sach))) or (thien hach)) - manh trung tuan hang cong quang hanh cau*.